Mantis

adult

revenge, organized crime, criminal underworld, assassin, loyalty, vengeance, espionage, brotherhood, contract killer, professional killer, gritty, mentor relationship, high stakes, comeback story, crime underworld, dark atmosphere, action thriller, dark, action-thriller, korean, skilled fighter, retired veteran, mentor trainee relationship, returning to profession, retired legend, anti hero, assassin, betrayal, bleak, cat and mouse, contemporary, contract killer, crime thriller, criminal syndicate, dark, east asia, friendship, gunfight, hand to hand combat, hitman, loyalty, mature, melancholic, moral ambiguity, neo noir, noir, organized crime, power struggle, psychological thriller, redemption, retirement, revenge, ruse, seoul, suspense, suspenseful, tense, trainee, training, underworld, urban, urban setting, violence

South Korea