People die everyday. But what happens when you die? Do you go to heaven or to hell? Then, what happens when you go to hell? Thats where a devil advocate comes in. Before you get dragged to the pits, he/she makes a contract to defend you in exchange for the devil essence that surrounds your soul after dying.
Then an incident happened in far-distant city of Tokyo. Fujimaru Takagi, a second grade student at Mishiro Gakuin high school, is commissioned to find out the truth by Public Security Investigation Bureau for his great ability as a super hacker. Now, Maya, approaching to Fujimaru, as his high school teacher...
And the only thing worse than her current situation is the one that she'll be in if anyone ever realizes that she is, in fact, a girl. Everything is wrong! Everything! Particularly the fact that, even though she's surrounded by amazingly gorgeous guys, her chances of romance are less than zero. But with life this complicated, something is bound to give. In fact, it just did.
From that moment on, weird phenomena begin to occur around Taisuke. He is victim of space travelling illusions. He sees a smiling girl who jumps to her death from atop a building. His best friend, Hirose, is framed for murder. His classmates are killing themselves for no apparent reason. Furthermore, the police always seem to keep an eye on Taisuke while investigating Hirose's case. At the same time, a psychotic murderer appears, and he sees our protagonist as his "comrade". Will Taisuke succumb to all of these crazy incidents? Or will he be able to someday return to his old peaceful lifestyle that he yearns for?