In a fit of rage, five year old Okumura Rin unlocked his secondary powers, and felt as if he was forced to flee because of it. While sitting in a cemetery tree, a man who claims he's Astaroth tells Rin his real father wants to meet him. Feeling helpless, Rin agreed to go with the man, and so his life in Gehenna begins.

Rin is suffering more and more everyday. He is losing everyone he loves because of his so-called 'father'. He is losing his mind piece by piece. Death after death. How much more can he handle till he goes completly insane?