Highschool teacher (uke) gets divorced and copes with it by drinking himself blackout drunk at a bar each night, one of his students (seme) who works there always ends up taking him safely home. A year later he is doing better but gets groped on the train, he finds out the person who is groping him each morning is one of his students, the seme. The seme starts to blackmail the uke with pictures to get them to be together. Uke eventually falls for seme and his persistent ways. He finds out how seme took care of him when he was drunk. they get together afterwards
Sensei Wa Sonna Koto Oshietenai!