While stumbling around drunk Kohta decides to urinate on the Holy Ball that an Angel is trying to trap Lady Emmaniel inside. Through sheer coincedence the Angel disturbed by this shoots Kohta on his testicles trapping Emmaniel inside. Kohta can not ejaculate for an entire month otherwise Lady Emmaniel will escape and destroy mankind.

Spoiler

At the end of the story he loses his virginity to Elyse and they start dating.