OKSN-261 Mother who dotes on her son, Shihori Tsuyudo

Shiori Endo, a mother worried about her son who has no interest in the opposite sex despite being of marriageable age. One day, she hears from her son that he has never masturbated, and regrets not having properly educated him on sex up until now, so she decides to teach him how to masturbate herself. Her son is aroused by his mother's captivating large nipples. And Shiori, seeing her son's erect penis for the first time, is thrilled... The loving and intense sex education between mother and son begins now...!