It has been five years since Rin remarried, and her days are somewhat unsatisfying.Kakeru, her husband's stepchild, tended to be a recluse, and there was always a quiet tension in the house.One day, Kakeru, who happened to see his mother-in-law's nipples in the bathroom, became lustful and attacked Rin while she was cleaning, relentlessly toying with her nipples and checking her sensitive reaction.Rin's body reacts every time he touches her, and even though she refuses, she begins to feel pleasure.Immediately after sending her husband away, her intimate relationship with her son-in-law continues, and in the end, she falls in love with him to the extent that she desires it for herself.A forbidden drama that deeply depicts the story of immorality and dependence that progresses quietly in the home, and the fall that begins with the nipple.
