HBAD-285 Female teacher Tsukasa Mikoto is seized at home and gang-raped by her students

I've been a teacher for a few years now, and although the work is tough, I've always found it rewarding and fulfilling. However, today is going to be a gloomy day. My students, enraged by a misunderstanding on my part, came to my house and took over, gang-raping me multiple times and making me their sex slave...