Meganekko. Episode5 - Kyonyuu Shimai Mawasu!

You play Onijima Takehiko, a virtual ruler of the school who rapes many girl students and female teachers in the school.

One day, a new teacher arrives at the school. Her name is Kuramoto Mashiro, who looks intelligent and beautiful, and has a perfect body.

Unfortunately, her young sister, Tamura Mayuri, with perfect pair of tits is a student of the school. "Hehehe......they're hot as hell....I wanna gobble them up!"

[From DLsite English]