Three years into her marriage, Uni Shiokawa felt irreplaceable happiness despite not being wealthy. Into her life suddenly came a man named Kimura, who had recently joined her husband's company. In truth, he was the same man who, before she married her husband, had tormented her 【throat】 and 【nipples】, developing them into erogenous zones. At her husband's suggestion, Kimura moved into the neighboring house, and thus began the days of him violating her throat and nipples. The pleasure she felt once again seeped deeply into her, a sensation she could no longer escape. Deep down, she realized the truth about herself: "I'm a filthy masochistic woman who gets aroused through my throat and nipples..."