Kamisama no Iu Tôri plot
"Oh my God, please return my tedious everyday."
Shun Takahata is an ordinary high school student with a dull life. His bosom friend has been Ichika Akimoto for years. One day, a teacher's head explodes in the classroom. Suddenly, Shun and his friends find themselves in a game of life and death without knowing who, how and why.