As his classmates celebrate their middle school graduation, troubled Mirai is mired in darkness. But his battle is just beginning when he receives some salvation from above in the form of an angel. Now Mirai is pitted against 12 other chosen humans in a battle in which the winner becomes the next god of the world. Mirai has an angel in his corner, but he may need to become a devil to survive.

Mirai and 12 other chosen humans have been pitted against each other in a battle to become the next god of the world. Mirai has an angel in his corner, but so do his competitors, including a ruthless god candidate who has disguised himself as a superhero. Mirai begins his first day of high school, but he's soon pierced by a red arrow of love that turns him into a slave. And the classmate who got the jump on him is the girl he's always had a crush on!