Oshiego Kara Nigerarenai

Takayama is a teacher who lives his life by "going with the flow." Until one day he was scolded for his lazy attitude by Fuyuno, the brightest girl in his class. In fact, Fuyuno has special feelings for Takayama...? The forbidden love between a male teacher and a female student should be something to be avoided!? (Source: Booklive, translated)