One moment everything was normal. The next, the dead came back to life and Japan plunged into chaos. Monsters terrorized Takashi Kimuro's high school, where he was forced to kill his closest friend after he was bitten and became one of the walking dead. Swearing to protect his friend's girlfriend, Rei Miyamoto, they escaped from the school and discovered a world that had already crumbled apart. Takashi and Rei formed a group with other surviving students, including the beautiful president of the Kendo Club, Saeko Busujima, otaku Kouta Hirano, Saya Takagi, daughter of a powerful politician, and their attractive school nurse, Shizuka Marikawa. Together, they set out on a mission to reunite with their families and unravel the cause of the pandemic. But as the undead horde grew stronger, would their combined power be enough to survive the apocalypse?