Ayane, a fair-skinned young wife, was having an affair with a man who lived in the apartment next door. She also had a physical relationship with her father-in-law who lived with her. Although she was tormented by guilt towards her husband, she was addicted to sex and could not resist the temptation. She loved, cheated, was violated, kissed, and had sex behind her husband's back... Why does sex with a man other than her husband feel so good?