
February 1, 1992 · 34 years old
Mao Ichimichi is a Japanese actress, voice actress, and a former gravure idol. When she does voice acting she uses her moniker M·A·O. In 2011, she made her major acting debut in the role of Luka Millfy / Gokai Yellow in the Super Sentai series Kaizoku Sentai Gokaiger.

Thirty-seven-year-old Satoru Mikami is a typical corporate worker, who is perfectly content with his monotonous lifestyle in Tokyo, other than failing to nail down a girlfriend even once throughout his life. In the midst of a casual encounter with his colleague, he falls victim to a random assailant on the streets and is stabbed. However, while succumbing to his injuries, a peculiar voice echoes in his mind, and recites a bunch of commands which the dying man cannot make sense of. When Satoru regains consciousness, he discovers that he has reincarnated as a goop of slime in an unfamiliar realm. In doing so, he acquires newfound skills—notably, the power to devour anything and mimic its appearance and abilities. He then stumbles upon the sealed Catastrophe-level monster "Storm Dragon" Veldora who had been sealed away for the past 300 years for devastating a town to ashes. Sympathetic to his predicament, Satoru befriends him, promising to assist in destroying the seal. In return, Veldora bestows upon him the name Rimuru Tempest to grant him divine protection. Now, liberated from the mundanities of his past life, Rimuru embarks on a fresh journey with a distinct goal in mind. As he grows accustomed to his new physique, his gooey antics ripple throughout the world, gradually altering his fate. [Written by MAL Rewrite]

On the surface, Koudo Ikusei Senior High School is a utopia. The students enjoy an unparalleled amount of freedom, and it is ranked highly in Japan. However, the reality is less than ideal. Four classes, A through D, are ranked in order of merit, and only the top classes receive favorable treatment. Kiyotaka Ayanokouji is a student of Class D, where the school dumps its worst. There he meets the unsociable Suzune Horikita, who believes she was placed in Class D by mistake and desires to climb all the way to Class A, and the seemingly amicable class idol Kikyou Kushida, whose aim is to make as many friends as possible. While class membership is permanent, class rankings are not; students in lower ranked classes can rise in rankings if they score better than those in the top ones. Additionally, in Class D, there are no bars on what methods can be used to get ahead. In this cutthroat school, can they prevail against the odds and reach the top? [Written by MAL Rewrite]

Spontaneous Human Combustion: a chaotic phenomenon that has plagued humanity for years, randomly transforming ordinary people into flaming, violent creatures known as Infernals. While Infernals make up the first-generation accounts of Human Combustion, the second and third generations became known as pyrokinetics—people gifted with the ability to manipulate and control their flames while remaining human. To combat the Infernal threat and discover the cause, the Tokyo Armed Forces, Fire Defense Agency, and Holy Church of Sol produced their answer: the Special Fire Force. Young and eager third-generation pyrokinetic Shinra Kusakabe, nicknamed Devil's Footprints for his explosive ability to ignite his feet at will, becomes a member of the lively Special Fire Force Company 8. Upholding the brigade's duty to extinguish the blazing Infernals and lay their souls to rest, Shinra is determined to become a hero who will save the lives of those threatened by the flame terror. However, this is not the hero's game Shinra imagined. The Fire Force is a fractured mess of feuding brigades, abnormal Infernal sightings are increasing all over Tokyo, and a shadowy group is claiming to have answers to the strange fire that caused the death of Shinra's family 12 years ago. Faced with many obstacles within and outside the Fire Force, Shinra fights to uncover the truth behind the burning mysteries that have kept him in the dark. [Written by MAL Rewrite]

To the average person, psychic abilities might seem a blessing; for Kusuo Saiki, however, this could not be further from the truth. Gifted with a wide assortment of supernatural abilities ranging from telepathy to x-ray vision, he finds this so-called blessing to be nothing but a curse. As all the inconveniences his powers cause constantly pile up, all Kusuo aims for is an ordinary, hassle-free life—a life where ignorance is bliss. Unfortunately, the life of a psychic is far from quiet. Though Kusuo tries to stay out of the spotlight by keeping his powers a secret from his classmates, he ends up inadvertently attracting the attention of many odd characters, such as the empty-headed Riki Nendou and the delusional Shun Kaidou. Forced to deal with the craziness of the people around him, Kusuo comes to learn that the ordinary life he has been striving for is a lot more difficult to achieve than expected. [Written by MAL Rewrite]

After mustering up the courage to propose to a girl in an online game, naive otaku Hideki "Rusian" Nishimura is devastated when she flat-out rejects him. To make matters worse, the girl reveals that she is actually an older man in real life. With his dreams crushed and his heart broken, Rusian comes to an abrupt decision in the midst of his raging fit: he will never trust another girl in an online game again. Years later, Rusian is now in a guild with three other players, one of whom possesses a female avatar by the name of Ako. Ako is deeply in love with Rusian and wants to marry him. Although he entertains the possibility that she might be a guy, Rusian accepts her proposal, claiming that her gender does not matter as long as she is cute in-game. However, after a discussion between the guild members that led to all of them having an offline meeting, Rusian finds out that Ako, along with the other members, is not just a girl but also his schoolmate. [Written by MAL Rewrite]

Countless diverse races, from perky fairies to oozing slimes, inhabit the world. Naturally, such a melting pot of creatures has a broad and alluring variety of brothels. With so many options to choose from, it is hard to decide with which succu-girl to have a meaningful, interpersonal experience. Fortunately, a tight group of brave warriors has come together to enlighten the public. These perverted adventurers take it upon themselves to assess the appeal of all types of succu-girls through hands-on research. Whether it be the scorchingly hot salamanders or the udderly hu-moo-ngous cow-girls, the Yoruno Gloss reviewers leave no species behind. Directed by the mastermind behind Miru Tights, Ishuzoku Reviewers seeks to answer one of the most pressing questions there is: which species is the sexiest? [Written by MAL Rewrite]

Japan's latest competitive sport, keijo, is dictated by a simple set of rules: female-only participants must stand on circular platforms floating in a pool—referred to as "lands"—with the goal being to knocking off opponents using only their breasts and butts. Despite this outlandish premise, the sport attracts millions of viewers across the country and boasts a lavish prize pool. Many aspiring athletes take up the challenge in hopes of becoming the next national champion. After graduating from high school, the lively 18-year-old Nozomi Kaminashi enters the world of keijo, hoping to bring home a fortune to her poor family. As a gifted gymnast, Nozomi quickly proves herself a tough competitor after stealing the spotlight in her debut tournament. Meeting new friends and rivals as she climbs the ranks, Nozomi discovers that the path to stardom as a keijo player is filled with intense competition that will challenge not only her body, but also her soul. [Written by MAL Rewrite]

When an extraterrestrial organism known as "Savage" attacks mankind, the only technology capable of combating the enemy is a weapon known as “Hundred.” A survivor of a Savage attack, Hayato Kisaragi is a teenager boasting the highest compatibility level with the aforementioned technology and as a result, is invited to master his skills at Little Garden, a prestigious military academy aboard a battleship. Over the course of his intense training for the battle ahead, he immediately attracts the interest of multiple female peers and gets drawn into a number of incidents as he tries to fight against the creatures that now inhabit Earth and threaten its safety. [Written by MAL Rewrite]

The Mizuhanome System is a highly advanced development that allows people to enter one of the most intriguing places in existence—the human mind. Through the use of so-called "cognition particles" left behind at a crime scene by the perpetrator, detectives from the specialized police squad Kura can manifest a criminal's unconscious mind as a bizarre stream of thoughts in a virtual world. Their task is to explore this psychological plane, called an "id well," to reveal the identity of the culprit. Not just anyone can enter the id wells; the prerequisite is that you must have killed someone yourself. Such is the case for former detective Akihito Narihisago, who is known as "Sakaido" inside the id wells. Once a respected member of the police, tragedy struck, and he soon found himself on the other side of the law. Nevertheless, Narihisago continues to assist Kura in confinement. While his prodigious detective skills still prove useful toward investigations, Narihisago discovers that not everything is as it seems, as behind the seemingly standalone series of murder cases lurks a much more sinister truth. [Written by MAL Rewrite]

Venturing into the wilderness, the skeptical Ryouta Murakami and the ambitious Kuroneko were on a quest to prove the existence of extraterrestrial life when a tragic accident occurred, reaping Kuroneko of her life and leaving Ryouta in a critically injured state. Ten years have passed since the disaster, and Ryouta is now living a normal life in high school. He vows to prove that aliens are real in honor of his late friend. A transfer student named Neko Kuroha unexpectedly arrives one day, bearing a striking resemblance to the late Kuroneko—even sharing a similar name. Most mysteriously, she seems to possess supernatural powers. As Ryouta takes more interest in Neko, he is drawn into a deadly world where dangerous scientists hunt magic-wielding witches that have escaped from their secret research laboratory. Neko is one of these escapees, but there are many others who are in similar situations, and it's up to Ryouta to protect them from their would-be captors. [Written by MAL Rewrite]

Waking up in a new world, 25-year-old Shingo Ichinomiya realizes that he is in the body of a six-year-old. Retaining memories of his stressful life working at a firm company, Shingo learns that the person he is occupying is Wendelin Von Benno Baumeister, the eighth son of a poor noble family living in the countryside. Awoken to his bizarre situation, Wendelin strives to change his financial and social status for the better. His newly discovered great magical aptitude may prove to be just what he needs to achieve that goal. [Written by MAL Rewrite]

It can be rough transferring to a new school—even more so if you do not want to make any friends, like Nobuaki Kanazawa. But the reason for his antisocial behavior soon becomes clear when his class receives a text from someone called "The King." Included are instructions for the "King's Game," and all class members must participate. Those who refuse to play, quit halfway, or do not follow an order in the allotted time of 24 hours will receive a deadly punishment. Having played the game before and watched as those around him died, Nobuaki tries to warn his clueless classmates. Unfortunately, they only believe him after the King's Game claims its first casualties. Stuck in a horrific situation with no chance of escape, Nobuaki has a choice: put his own survival above those around him, or do what he could not before and save his classmates. [Written by MAL Rewrite]

A new era of exploration begins with the sudden appearance of a new continent known as Magmell. Magmell's vast trove of never-before-seen natural resources spurs on the exploration of its vast landscape. However, the unknown is not always docile. In order to sustain the expeditions, people known as "anglers" specialize in dealing with Magmell's dangerous wildlife. One such angler is the highly-skilled and experienced Inyou, who performs search and rescue operations for clients with the help of his assistant, Zero. [Written by MAL Rewrite]

Living an abnormal existence in Ogikubo, an intergalactic melting pot of humans and aliens as well as the only Space Immigration Zone on Earth, Luluco is a bubbly middle school girl who just wants to be normal. One morning, however, her father, who works at the Space Patrol, eats a volatile sleep capsule by mistake and is frozen solid! To make matters worse, Luluco accidentally breaks him, so she hurries off to his office for help. There, the chief of the Space Patrol, Over Justice, hires Luluco as a space temp worker for undercover investigations, so that the institution may crack down on crime within her school. Made to don the Space Patrol suit and sent on her way to mete out justice, Luluco attempts to maintain the image of a normal girl who does not stand out in any way. But she soon discovers that with the automatic systems and inherently zealous judiciousness of the Space Patrol suit, continuing to be normal will be more difficult than she thought. [Written by MAL Rewrite]

The siblings Kashou and Shigure Minazuki enjoy the company of six catgirls. Chocola and Vanilla assist Kashou in his job as a baker at the patisserie La Soleil, while the others—Coconut, Azuki, Cinnamon, and Maple—accompany Shigure in her daily life back at their home. One afternoon, when Chocola goes out for an errand, she notices a green-haired kitten alone by herself at a park and decides to bring her back to the patisserie. Soon after, the Minazuki household adopts her and gives her a name: Cacao. With a new member in their family, the members of the Minazuki household continue their everyday lives—bound to become livelier than ever. [Written by MAL Rewrite]

During the dawn of the 21st century, the United Nations Kurobe Research Institute was established in Japan to investigate an ancient artifact, which was discovered during the construction of the Kurobe Dam. Scientists from around the world have gathered in the facility to study the object, while their children enjoy their everyday lives attending Mt. Tate International Senior High School. Yukina Shirahane, a reserved high school girl, is the daughter of the facility's head scientist. While visiting her mother at the facility, Yukina manages to solve part of the artifact's puzzle. To her surprise, what appears before her is Kennosuke Tokisada Ouma, a young samurai from the Sengoku era. As a threat approaches from outer space, Yukina, along with Kennosuke, finds herself defending Earth against the invading forces. Along the way, she discovers the mystery behind Kennosuke and the reason he is determined to protect her. [Written by MAL Rewrite]

In 2035, an incident known as “The Burst” occurs at a Japanese research facility, giving birth to the rapidly expanding, consuming, and self-replicating "Matter." Snaking its way through the remains of dams and military facilities in the Kurobe Gorge, the hostile Matter is besieged by task forces trying to prevent it from reaching the ocean and mercenaries seeking the truth behind its existence. Aiko Tachibana lives under constant medical surveillance after being rescued from the Matter. She spends her days waiting out her recovery by making paper planes. Soon, her daily life at school is disturbed by the arrival of transfer student Yuuya Kanzaki, who proceeds to point out a number of inconsistencies regarding her body. Why is she never injured, and why does she suddenly no longer need her wheelchair? He claims that there is more to her existence than she has been led to believe, and that she alone holds the key to ending The Burst. With many factions now interested in Aiko, she and Yuuya must gather allies and embark on a dangerous pilgrimage into the heart of the infested gorge before the net can close around them. To escape the conspiracy moving against them, the pair must face off against the Matter—an enemy that flows like water. [Written by MAL Rewrite]

In the newly formed Shiniki district of Tokyo, Zen Seizaki is a diligent public prosecutor at the Tokyo District Public Prosecutors Office. Assigned to a case involving false advertisement, Zen—along with his assistant officer, Atsuhiko Fumio—investigate Japan Supiri, a pharmaceutical company that had provided fabricated clinical research on the company's new drug. While investigating the file of Shin Inaba, an anesthesiologist connected to the crime, the case takes a dark turn when Zen finds a page stained with a mixture of blood, hair and skin, along with the letter "F" scribbled all across the sheet. As he investigates further, the case goes beyond Zen's imagination and becomes vastly complex, challenging his sense of justice and his knowledge of the truth. Digging deeper into the investigation, Zen begins to uncover a concealed plot behind the ongoing mayoral election and ties to many people of interest involved in the election and those closer than he thinks. The case grows more severe and propels Zen into an unforeseen hurricane of corruption and deceit behind the election, the establishment of the Shiniki district, and the mysterious woman associated with it all. [Written by MAL Rewrite]

As she heads off to her entrance ceremony at Sainotama Girls' High School, Akane Kikuchi muses over her grade school dream of becoming a manga artist and the lack of progress that she has made. When she finally arrives at school, she is surprised to learn that she is once again in the same class as her two best friends: the deadpan and emotionless Shiori Saginomiya and the hyperactive and ridiculous Nozomu Tanaka. Tanaka then comes to the obvious realization that she can't achieve her grade school dream of being popular with the boys and getting a boyfriend by going to an all-girls high school. In desperation, she begins asking the girls in her class to introduce her to their guy friends. Her classmates, however, are anything but ordinary. From a grandmother-loving loli to a reclusive chuunibyou to an overly analytical stalker, each one is given a fitting nickname by Tanaka to accentuate their weirdness. And so begin the wasteful days of these high school girls, each day kicked off with a simple question: "Hey, wanna hear something amazing?" [Written by MAL Rewrite]

"A hero will never give up, never hide, never be defeated and never accept evil!" Firmly believing these words, Masayoshi Hazama has been obsessed with superhero shows since childhood. By day, he earns his living as a famous model, and by night, he becomes the gallant hero Samurai Flamenco. Armed with only his superhero costume, he seeks to bring justice to the city and faces anybody who tries to break the law—even rebellious juveniles and people who litter on the street. Masayoshi's heroic antics later catch the attention of the public, leading to the fateful discovery of his identity by policeman Hidenori Gotou. Although initially telling Masayoshi to leave the crime-busting activities to the police, Gotou ends up joining him in his antics. However, things soon escalate from preventing littering and petty thefts to bizarre adventures that involve even the fate of the world. Together with their newfound comrades, Masayoshi and Gotou embark on a battle with the world and themselves in order to find the true meaning of being a hero—with or without superpowers. [Written by MAL Rewrite]

After being brutally murdered in a subway station, a teen boy awakens to find himself resurrected by a strange computer named Gantz, and forced to fight a large force of invading aliens in Osaka.

Private detective Sousuke Kaburaya is simply trying to make ends meet when Sara da Odin, an imperial princess from another world, falls through a portal right on top of him. Unaware that she is an anomaly in a magicless world, Sara uses powerful spells in public, causing a commotion and forcing Sousuke to take her back home with him. With the help of the internet, manga, and modern Japanese conveniences, Sara grows accustomed to living in Japan and becomes Sousuke's assistant in the process. Meanwhile, Livia de Udis, Sara's personal knight, also comes through the portal but lands at a different location. There, she meets a homeless man who readily accepts her unique background and odd tendencies. Despite her situation, Livia quickly adapts and settles into the homeless lifestyle, a far cry from the noble position she used to hold. While Sara and Livia may be living different lives, their positive and ambitious attitudes leave a lasting impact on the people around them as they experience both the good and bad of Japan. [Written by MAL Rewrite]

Third-generation VTuber Awayuki Kokorone's fans know her as a prim, proper, and graceful idol. Though she has considerably less fans compared to other VTubers in the Live-On agency, Awayuki's loyal following supports her every step of the way. One night, Awayuki forgets to turn her livestream off—a blunder that changes the trajectory of her online career forever. Contrary to her usual angelic persona, her genuine brutish personality is exposed to more than ten thousand people who tuned in. Awayuki reveals that she is nothing more than a severe alcoholic who spouts profanities nonstop, constantly viewing her fellow VTubers with lustful admiration. However, instead of being reprimanded by her agency, Awayuki receives praise: her unhinged, disorderly conduct was Live-On's actual expectation of her. Now having her big break and permission to stream without holding anything back, the once-unpopular VTuber begins her rise to stardom. [Written by MAL Rewrite]

Throughout history, an elite group of shrine maidens known as "Toji" have saved the world from "Aratama," strange and malevolent beings bent on destroying humanity. In modern times, these warriors have been assigned to a special police squad to exterminate Aratama. The government has also set up five elite schools across the country to provide young girls the necessary sword fighting skills to eradicate these monsters and eventually join their fellow Toji in protecting the world. A student of one of those five schools, Kanami Etou is chosen to represent Minoseki Academy in a sword fighting tournament, where she meets the mysterious Hiyori Juujou. Although Kanami and Hiyori rise to the top of the tournament, their battle takes an unexpected turn, throwing the world of the Toji into chaos. Likely that the Toji are facing betrayal from within, the two are forced to flee the tournament, clashing with former comrades on the way. [Written by MAL Rewrite]

Young detective Sonia Summers has been transferred to the outskirts of the port city Libra after stirring up trouble with her superiors. Libra is separated into two sectors—"the Upper," the center of wealth and politics, and "the Outside." The Outside is home to crime, corruption, and curious incidents involving monstrosities or youkai. Each case that Sonia works on seems to implicate the involvement of these mysterious creatures. Sonia crosses paths with three peculiar humanoid youkai—Bem, Bela and Belo—who seek to protect humans and fight against the evil youkai that terrorize them. Living as "Youkai-Ningen," they are excluded by other youkai for their human-like lifestyles, and rejected and hurt by humans when they reveal their true forms. Despite the hardships they face, these three Youkai-Ningen secretly live among humans, continuing to pursue their dreams of one day becoming human as well. [Written by MAL Rewrite]

On the surface, the thought of Kyouko Hori and Izumi Miyamura getting along would be the last thing in people's minds. After all, Hori has a perfect combination of beauty and brains, while Miyamura appears meek and distant to his fellow classmates. However, a fateful meeting between the two lays both of their hidden selves bare. Even though she is popular at school, Hori has little time to socialize with her friends due to housework. On the other hand, Miyamura lives under the noses of his peers, his body bearing secret tattoos and piercings that make him look like a gentle delinquent. Having opposite personalities yet sharing odd similarities, the two quickly become friends and often spend time together in Hori's home. As they both emerge from their shells, they share with each other a side of themselves concealed from the outside world. [Written by MAL Rewrite]

Years ago, many magical "Artifacts" were stolen and scattered throughout the world. They fell into the hands of people who were not supposed to know of their existence, causing misfortune to those who abused their power. The Hoshisato family of magicians has special access to the Artifacts, and they take it upon themselves to return them to their rightful place. Despite her inexperience, Kana "Hatena" Hoshisato wishes to aid her parents Mamoru and Maeve in their quest, doing her best to improve. Meanwhile, her childhood friend Makoto Shiranui has come to their mansion to study magic under her father's tutelage as part of a promise they made years ago. Hatena is excited to see her friend again, only to be utterly disappointed when the person she thought to be a girl all these years turns out to be a boy, leading to a bitter reunion. Before long, Makoto comes to know of the Artifacts and the true identities of the magicians he admires. Unfazed, he continues to strive to fulfill his promises and stay true to why he learns magic—to ease the sadness of people around him and, most importantly, to become a person worthy of being Hatena's partner. [Written by MAL Rewrite]

The year is 2050. A young engineer named Derrida Yvain became famous thanks to his contribution to the development of the "Autonomous Machine DZ" at Rebuild, the manufacturing company founded by his father. One day, Derrida and his colleague Nathan discover a flaw in the DZs and try to warn their boss, but are ignored. Although Derrida and Nathan are aware of the danger, they reluctantly decide to put off taking any measures, and instead go to Nathan's daughter Mage's birthday party. The next day, after enjoying a peaceful day, Derrida and Nathan are suddenly attacked by unknown forces. At the end of the escape, Derrida falls into a cold sleep machine and 10 years later, he wakes up to a devastated world in the middle of a war. While Derrida is attacked by a group of out of control DZs, he almost gives up, but he recalls Nathan's last words. "Take care of Mage." Despite the harsh fate that has fallen upon him, Derrida sets off to seek Mage. (Source: ANN)

After socially awkward technology specialist Manabu "Gaku" Taira is saved from thugs by the outgoing Haru Tennouji, the two men find that they get along with each other well. Years later, Gaku, who is having a tough time getting a job due to his timidness, is convinced by Haru to apply for a position alongside him at Dragon Bank, one of Japan's largest IT companies. During their interviews, the company's board director, Kirika Kokuryuu, takes an interest in Haru and Gaku's contrasting personalities. However, Gaku does not get hired by the company, leading Haru to quit the job on his first day in protest. Nevertheless, they decide to embark on an ambitious plan of making a trillion dollars. In order for their scheme to come to fruition, Haru and Gaku start looking for potential investors, but everyone rejects their extravagant idea. In spite of that, the two soon find themselves getting an offer from Kirika—and with her investment, they might just be able to reach their goal. [Written by MAL Rewrite]

Bouida Haruto, a hardcore otaku with no interest in 3D (real) women, once appreciated figures from afar, accepting that "if you get into them, there's no turning back." However, when Nona, a character he loved from an anime called "Girls→Planetary Investigation" had a figure of her released, he ended up purchasing it. And then that night, the figure of Nona somehow came to life, and a couple-like lifestyle between man and toy began. (Source: MU)

After discovering the existence of demons in Tokyo, the original Cyborg crew led by Dr. Gilmore find themselves in conflict with Devilman, a strong demon believed to be in league with the war-profiteering terrorist organisation, Black Ghost. Meanwhile, a bigger threat emerges when Dr. Adams, a Black Ghost scientist unleashes his new line of high teen Cyborg models against 009 and his friends. (Source: ANN)

A futuristic firefighting mecha service is created to protect the world.

Ikki Kurogane struggles as the worst Blazer, only able to materialize his soul into a weak weapon. His dreams of becoming a Magical Knight are shattered when he meets Princess Stella Vermillion, altering his life's path.

Corporate worker Mikami is stabbed by a random killer, is reborn to an alternate world. But he is reborn as a slime. He is Thrown into this new world with the name Rimuru, he begins his quest to create a world that's welcoming to ...

Ever since he lost his family in an explosion, Mirai Kakehashi has lived a life of pain and despair. Every day, he endures abuse at the hands of the relatives who took him in. As his anguish steadily chips away at his will to live, he is eventually pushed to the brink. Prepared to throw it all away, he stands on the edge of a precipice and takes the leap. However, instead of falling to his death, he enters a trance where he meets a winged being who claims to be his guardian angel. Named Nasse, the angel offers him two priceless abilities and convinces him to go on living. When Mirai experiences the marvel of his new powers firsthand, he gets a taste of the freedom that was locked away from him for so long. Armed with Nasse's gifts, Mirai is flung into a showdown with 12 other individuals, one of which will be chosen to become the next God. In stark contrast to when he wanted to end his life, Mirai is now prepared to do whatever it takes to protect his bleak chance at happiness, lest it be wrenched from his grasp forever. [Written by MAL Rewrite]

The lost ones, who came from an alternative world known as "Japan", brought disaster to the world in the past. Menou is an executioner who is responsible to eliminate the lost ones.