He heard that his job was to discipline the problematic students but... what this newly graduated teacher found was a turbulent torrent of free sex. A paradise for men.
A shut-in recluse Nagomu meets a suspicious boy on his way back from the convenience store late at night. Getting involved with the boy sees him transform into a boy himself. He seeks help from his friend Miya, but is instead sexually assailed.
Nanato Igarashi was kind enough to deliver a dropped license card to its owner. However, instead of being rewarded for his good deed... he is drugged and ravaged by the despicable excuse for a man. Thus was the beginning of Nanato's misfortune.
When a boy goes to a fishing store to use the restroom, he is unable to hold it in and wets himself. Later, he talks with the shop owner and his taught many things...