After a teenage delinquent is killed while saving a child's life from an approaching car, the rulers of the underworld send him back to become an "Underworld Detective" investigating demons apparitions in the human world.
In the aftermath of a great war, Violet Evergarden, a young female ex-soldier, gets a job at a writers' agency and goes on assignments to create letters that can connect people.
An intelligent high school student goes on a secret crusade to eliminate criminals from the world after discovering a notebook capable of killing anyone whose name is written into it.
In a war-torn world of elemental powers, a young boy reawakens to undertake a dangerous mystic quest to fulfill his destiny as the Avatar, and bring peace to the world.