[ Manga XXX ] Bakunyuu BOMB 03

Wakatsuki Risa, a self-assured and well-endowed teacher, attracts the attention of male pupils everywhere she goes inside the school. She does, however, masturbate on a regular basis, which is observed by some of her classmates. She caves in to their demands after being blackmailed. She has been trained to be a sex toy, and she is even used by the janitor and the school administrator.