"Can't I heal my mother's loneliness..." Chisato was at a loss when her son, Ryota, suddenly kissed her. Their married life had fallen into a slump, and they hadn't had sex for more than six months. She knows that having sex with her son is absolutely forbidden. Even so, if only for this moment... Her body throbs with anticipation of pleasure she hasn't felt in a long time. Chisato surrenders her body to her son's kindness, thinking of her mother...