A mysterious, lethal disease is on the loose worldwide, resulting in a catastrophic death rate of humanity, and the increasing rise of attacks, caused by the living dead. In Japan, several high school studen...

The special focus on the meeting of Shishio Makoto and and his significant other, Yumi Komagata. The manga also details how Shishio formed the Juppongatana, his organization of warriors and assassins that he...