Mei, who works as a social worker with her husband, primarily visits the homes of elderly people living alone. One day, when she visited Mr. Satomura's house, she found him injured and unable to move on the veranda, so Mei started taking care of his daily needs. One day, while she was cleaning the stairs, Mr. Satomura suddenly hugged her. Before she knew it, he buried his face in her crotch, and despite trying to resist, Mei felt aroused by his lewd tongue. Seeing this, Mr. Satomura became even bolder and started demanding cunnilingus from her in front of her husband…
