The wife of the president of a wholesaler who lost a customer to her brother-in-law, Ryutaro, due to a brother-in-law disagreement. As if to shake off the reality of her anxiety, she spends her days indulging in affairs with her colleagues. She surrendered to her luscious sensations penetrating the back of her vagina, and continued to forgive her body while feeling guilty towards her husband. However, Ryutaro finds out about her unfaithful act, and she is helplessly driven by men's violent pistons. As she continues to be taken down, Tomoka transforms her shame into pleasure.
