The main character of this animated story is a young man named Tomonori. Like many other anime characters, he goes to school and dreams of having a romantic relationship with a girl.

Yoko-san is happily married to Masahiko, and she enjoys her daily life with her husband and son Kazushi. However, she has been worried lately that there has been less intimacy in their family.

The head of the educational institution started an affair with one of the teachers. Together with his nephews, he had fun with twelve teachers right inside the walls of the institute.