Yui Nishikawa, the student responsible for being fucked on duty, MIDE-259

Yui Nishikawa, who was frequently bullied in class, became the sex monitor for everyone in the class because of a single sentence from a brainless teacher. She was gang-raped in the infirmary, forced to give oral sex to everyone before class, silently humiliated in the library, ejaculated on by everyone in the classroom, and forced into threesome compensated dating. Although it seemed like she was being bullied... Yui gradually fell in love with it all...