Ero Ishi : Seijun Bishoujo o Kotoba Takumi ni Hametai Houdai

This is an anime adaptation of the Visual Novel by Buruge Light.

Reina is a young girl who, even being a virgin, cannot refuse the pleasure of playing with her vagina. Because she masturbates too frequently, Reina begins to have irritation in the vagina. Therefore, she has to make an appointment with a gynecologist. However, Reina is assigned to Doctor Ueda, a perverse obstetrician.