Hentai Game 
Sweet and blissfully ignorant schoolgirls are abused by a perverted gynecologist in Ero Ishi: Seijun Bishoujo o Kotobatakumi ni Hametai Houdai (also known as “Ero Ishi Muttsuri Majime Musume Ayano”), as a normal checkup transitions into a procedure of sorts involving a rather fleshy instrument.
Two succulent girls are subjected to the doctor’s perversions, who recorded his antics with the female patients:
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