Based on the cancelled game from Level Five, the story revolves around a high school girl who meets a God of Death who refers to himself as Ushiro. Unlike the other manga series, it is not based on any novels and is 100% it's own original story based off Level Five's scrapped ideas.

Ushiro revels in looking around for people desperate enough to want to die so he can eat their souls. However, he claims to be able to make a single wish come true in exchange for your soul...