Read manga: Sakaku Opera

manga
Artists: Kuraka Sui
Status: ongoing
Latest chapter: Chapter 5
Updated at: Aug 25, 2019
Summary:

Sadaki Kaoru, an earnest Literature professor who comes from a prestigious academy, hides in his heart the one-sided feelings he has for someone. One day, thanks to drawing the attention of the school troublemaker ‘Shou, the informant’ his secret is revealed. In exchange for Shou’s silence, he’ll have no choice but to have sex ‘till the point of exhaustion. The day-to-day of being raped by a young student begins!