Rumors about a serial incidents are going around the town.
One of these days, a boring office worker Shinji Hiyorino is trying
to kill himself because he feels there is no hope in his life.
There, a girl, claiming to be an angel, says:
"Would you like to use your life for me instead of just dumping?"
Her offer comes with a reward. She says she will fulfill his wish if he succeeded.
Thus, a boy's strange and exciting adventure begins.
He will purify girls who are in captivity of devils by means of sacred insemination.
What wish will he fulfill in the end of the adventure...?