Sumire is a beautiful single mother with only one child. However, she has a secret that she can never reveal to the neighbors. Her son spends all day fondling her ample breasts, which she takes great pride in. Sumire is heartbroken by her son's strange behavior, which she refuses to stop no matter how much she tells him to, but she endures it. Unable to talk to anyone about it, her son's actions escalate, and finally her neighbors see her doing it...
