Tokyo, 2030. A pandemic called Gibiate, which transforms all regardless of age, sex, or race into monsters known as Gibier, has spread throughout the world. This is the age that the samurai, Kanzaki Sensui, and the shinobi, Sanad Kenroku, find themselves in after traveling through time from the Edo era to meet the Doctor and his assistant, Funada Kathleen. What future lies in store for Sensui and Kenroku as they face these monsters for the first time?
Some people claimed it was 
a military conspiracy
ادّعى بعض النّاس أنَّها كانَتْ مؤامرة عسكريّة
Einige hielten es für eine
Verschwörung des Militärs.
Otros la consideraron una conspiración
militar o una campaña publicitaria.
Otros la consideraron una conspiración
militar o una campaña publicitaria.
D’autres soupçonnaient l’armée
Alcune persone sostenevano
che fosse una cospirazione militare
Tinha gente dizendo que era
uma conspiração do exército
Другие твердили про военный заговор