The aroma of unripe, plump fruit - Riho Takahashi YSN-577

Riho, a daughter who hasn't attended school for months and has a reclusive, NEET-like atmosphere, is frequently visited by her middle-aged male homeroom teacher, who relies on his mother. Initially, he listens to her parents' worries on their behalf, but gradually feelings develop, and unable to suppress their rationality, they have a physical relationship…