The Ousama Game (King's Game) mobile horror game was released, which inspired various adaptations including anime.
Nakamura Nobuaki's novel 'Ousama Game' was published, establishing the story beyond the game.
The manga adaptation of Ousama Game began serialization, increasing the series' popularity.
An anime adaptation of Ousama Game was officially announced to the public.
The anime adaptation of Ousama Game The Animation aired, bringing the story to a wider audience.
Students in Class 3-3 receive the King Game orders for the first time, signaling the start of the deadly game.
Students start following the King Game orders, leading to the first punishments when orders are not complied with.
Makoto Enjoji attempts to deceive the game and suffers a brutal punishment as a result.
Several students are punished to death according to the King Game orders, raising tension and fear among the survivors.
The students discover background about the King Game and its previous iterations, including its curse-like nature.
Subaru attempts to resist the King Game's orders but faces tragic consequences.
Survivors confront the source and truth behind the King Game, leading to the conclusion of the deadly events.