The Fruit of Grisaia Season 1 Episode 7

Sachi: the classmate dressed as a maid who will grant any wish. However, to achieve that end she will employ any means necessary. Everyone at the academy knows Sachi has that dangerous side to her, and are careful not to be humble when they speak to her. One day with summer close at hand, Michiru carelessly tells Sachi to make the tests go away while preparing for finals.