In a world where brute force and bloodshed decide the winner, Zan stands alone. He has no knowledge of who he is, or why the world is in constant moral decay. That is, until he is visited by a mysterious woman who claims to have all of the answers he seeks. With her leading him, Zan embarks on a quest to uncover the truth of his identity and the fate of the world.

Miu is an unfortunate occult fanatic, who guzzled down a whole bottle of "Cherry Soup", the super strong cell revitalization liquid without thinking. Thanks to that, now she's a zombie. This all happened when Miu's just gotten close to her crush, Tohno. However, Tohno can't stomach zombies! Who knows what will happen...?!