Yurine, who lost her husband at a young age, lives with her daughter and her husband. He was well-confident with his daughter's husband, Junki, and lived a normal, but happy life. One day, Yurine witnesses her daughter and Junki having a dispute over sex. Apparently, her daughter is not good at sex, and she continues to refuse even when Junki asks. Worried, Yurine discusses her with her daughter, but the daughter doesn't listen to her. And by chance, Yurine runs into Junki's comforting herself. Surprised and upset, Yurine takes unexpected actions. "My daughter's responsibility is also my responsibility as a mother..." Yurine holds Junki's penis. At first, it was just a handjob, but then she gave me a blowjob...and even had sex... Yurine desperately resisted Junki, unable to stop...
