On the introduction of senpai at university days, protagonist Tadokoro Isamu will be caretaker in super-famous young lady school. He of matchless likes pee "want to drink young lady Satomi" the desire was swollen. Then the aphrodisiac molester site is found, One hit on the collection of the threat materials because it makes young ladies compel the masturbation and urination.

A certain day Protagonist from student chairman Miyuki, a terrible treatment was accepted as usual. Protagonist which is angry sneaks in to the locker room, the bought aphrodisiac is rubbed into to her pants, it looks for the appearance afterwards. Then high-handed young lady who starts masturbation by a aphrodisiac effect. In addition, leaking after the climax is seen.

He knows pleasure to which the penis is stroked while seeing the young lady's life masturbation and ejaculates. He wanted to collect the threat materials of the young lady who had eyes on with the aphrodisiac.