Ayano has raised her son Kei single-handedly. Kei asks innocently, "Mom won't get a new boyfriend?" She says, "I don't need it," but Ayano, who is still in her prime, spends her lonely days comforting herself. One day, Ayano finds a large amount of used tissues in Kei's room. Ayano was at a loss for words at the unusual amount, but she had no way of knowing that the large amount of sperm had been released thinking of her mother. Her distorted feelings for Kei's mother were on the verge of exploding...
