Kawana Ai has put all her energy into the story of how wearing bloomers makes you want semen.

Ai lives with four people, close parents and a shut-in brother, on a weekend evening, Ai was worried about not being able to have a boyfriend in her room...and then she heard a voice from heaven, and a voice from heaven said, "A troubled lamb!! Let's listen to your worries!" When she reveals her worries to the heavenly voice, she is given a [Bulma] and tries to wear them... Ai, wearing a mysterious power, suddenly becomes a semen hunter and attacks her family...