RainbowNeko's manga / #stalker(2)

About a hot sleeping-around uke and a former chubby seme who's looking for 'revenge' :3

MC is a salaryman who is pretending to be a high school student. He’s noticed one of the teachers at the school watches him very closely. One night he goes out to a bar and the teacher is there. They end up going to a hotel where the teacher confesses he’s like him for a long time.