Her husband has been with another woman for a long time and hasn't been home for a long time. Hiroko has decided to live with her son and live a modest life. However, her physical loneliness only grows with each passing day. She can no longer distract herself by masturbating. One night, her son comes into her bedroom and hugs her, saying, "I don't want to see your lonely face anymore." This boy is trying to comfort me. Feeling her son's kindness, Hiroko closes her eyes and gives herself over to him.