One day, the Nanami family's toilet broke down and became unusable. Unable to hold it any longer, mother Hisayo decided to relieve herself in the bathroom instead. Her son caught sight of her in the act. Embarrassed and filled with shame, she still found herself stirred by his gaze, gradually giving in to his passionate advances. As he lavished her with intense affection, she surrendered completely to the overwhelming pleasure—her body trembling as she unleashed a massive, gushing squirt from her pussy. This shocking scene unfolds in full detail.