"Am I being selfish and saying that kindness alone isn't enough?"Mina Matsuoka, 40 years old. She usually works as an office worker and is the mother of one child. Even now, 15 years into her marriage, her relationship with her husband is good and child-rearing is going well. It's no exaggeration to say that she has a fulfilling life, but she is dissatisfied with her sex life. The loving sex with her kind and family-oriented husband is not very satisfying for Mina, who wants to throw away reason and clash with each other's raw desires... With her dissatisfaction hidden in Kokoro, her frustration reaches its limit. "Please keep blaming me until my mind goes blank." Watch as this wife, who has only experienced gentle sex for 15 years, drowns her body and Kokoro in wild, intense sex.