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.
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.
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.
The shy and reserved Ryousuke discovered his interest in sex one day and asked his friend Yuuma for advice. So Yuuma will teach him everything he needs to know about feeling good...