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?
constantly hear the sound of water 
before they express symptoms.
يسمعون دوماً صوتَ مياه قبل
أن يمرّوا بالأعراض
hört das Geräusch tropfenden Wassers,
bevor sich die Krankheit entfaltet.
escuchan el sonido del agua
antes de mostrar síntomas.
oyen el sonido del agua
antes de mostrar síntomas.
sente continuamente rumore di acqua
prima che si presentino i sintomi.
ouvem constantemente o som de água
pingando antes de exibirem sintomas.
постоянно слышат звук воды
ещё до проявления симптомов.