A single mother with one child. Reiko had worked tirelessly to raise her son, forgetting that she was a woman. But now that her hardships are finally paying off, her tense heart has relaxed, and the repressed desires she had been holding back are overflowing. The trigger was when her son's hand, which was massaging her shoulders, touched her nipple. Due to the rebound effect of her abstinent life, she became extremely sensitive and would immediately climax just from having her nipples touched. Reiko impulsively crossed the forbidden line with her son, and the next day, she went to work with her chest exposed, not wearing a bra.
