Hentai Game 
The introverted male protagonist of Imaizumin Chi wa Douyara Gyaru no Tamariba ni Natterurashii finds himself in a perfect situation as his home ends up becoming the hangout of his gyaru classmates, the lustful females naturally taking a liking to him (on a sexual level).
The girls don’t hesitate when it comes to working together to sexually stimulate the male:
Gifs:
August 6th is when Imaizumin Chi wa Douyara Gyaru will commence its sex-laden adventure.
