JUR-827 Did you want a reward that badly? An overly strict mother's punishment of ejaculation control - Yumi Kazama

The Kazama family was once wealthy, but fell into ruin after the husband's business failed. Yumi, the mother, has given up on her husband and is determined to raise her son, Seitaro, into a respectable adult. However, Seitaro, overwhelmed by her overly strict upbringing, explodes and, in a fit of rage, pushes Yumi down. She then soothes him, saying, "Fine, if that's what you want, I'll teach you," and proceeds to give him sexual instruction... A man who has been constantly disciplined...