Shounen Nure Yasuku Koinarigatashi Boys get wet easily but the love is not accomplished easily

Synopsis

After he was sexually harassed and forcibly seduced by his female high school teacher, he reports her to school that quickly fires her. As he struggles to make sense of his feelings towards the teacher who doesn't seem want to let him go, he attempts to make sense of girls around him and life as well as its complications. (From mangaupdates.com)