A second-year university student, Hayao Hayakawa.

Unable to stop himself from cumming fast when having sex with his girlfriend, Shun books an appointment at a special clinic meant to help men like him. However, the head doctor at the clinic, a beautiful woman named Neneka, treats him using a very unconventional and sexy method…

His trouble is ............... "premature ejaculation"!
I mustered up the courage to visit a clinic that specializes in curing premature ejaculation.
The teacher there was a busty female doctor with a transcendent beauty ...!

What is the naughty treatment recommended by the doctor ...?
...... the relationship between a boy and a female doctor that gradually escalates as he goes to the clinic?

Will he be able to cure "premature ejaculation"?