A purebred pervert lolicon teacher, Yoshida, was assigned to a school in a local city. He had studied hard to become a teacher so he could do lewd things with young girls, but at his assigned school, the watchful eyes around him made it difficult for him to find an opportunity to make a move on female students, and he couldn't hide his frustration. Seeing that it was difficult to act in school, he changed his strategy to invite female students who aimed to advance to university but had low academic scores to his home under the pretense of career guidance. Then he approached Nagi Saki, a girl hoping to attend a city university, and without knowing the lolicon teacher's intentions, the girl came alone to her homeroom teacher's house...
