Houkago Rinkan Chuudoku

Gamerip games "Hokagorinkanchudoku" from the Studio MICONISOMI (みこにそみ) released in late 2016 and reissued in 2017 in the extended edition. 

Depraved story with our hero in an elite private Academy for the offspring of rich and famous families. The Academy is ruled by "the Queen" - power and hard girl Elena. Many girls to serve her as a maid and not chasing at his heels. Our hero is not lucky he got to sphere of interests of this unscrupulous bitch...