Takasugi, who is admittedly a hard-nosed teacher, has a hobby that he can't tell anyone.

That is...developing his own a●le!

Takasugi continues his insatiable pursuit of a●l masturbation, but at his favorite store, he runs into Matsumoto, a colleague of his. Instead of keeping quiet, he asked him to spend the night with him, So, that means--......!

When the real thing is finally inserted----!

When I found a familiar mole on Matsumoto's forehead...?

A high tension sexual love comedy by Natsuda Taisho!