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?
I'm going to create a vaccine 
and turn this world back to normal!
!سوف أصنع لُقاحاً وأعيد هذا العالم إلى طبيعتِه
Ich werde einen Impfstoff finden
und die Welt wieder normal werden lassen.
Crearé una vacuna y haré que el mundo
recupere la normalidad.
Crearé una vacuna y haré que el mundo
recupere la normalidad.
Je trouverai un vaccin,
et le monde reviendra à la normale !
Creerò un vaccino e farò tornare
questo mondo alla normalità!
Vou criar uma vacina, e fazer
o mundo voltar ao normal!
Я изобрету вакцину,
и мир снова станет прежним!