My mother, Maiko, lives with her daughter and her husband, who were worried about living alone.She had a good relationship on the surface and she had no problems, but her frustration was building up and she was indulging in masturbation night after night.Then her son-in-law, Hikaru, secretly peeks at her foolishness.Maiko, who knew that he was a big cock, could not suppress her overflowing lust, and she seduced him obscenely every time.Her son-in-law, who inflates his big cock to her repeated mother-in-law's stupidity, can't stand it at last.