Marriage was youthful. As long as there is love, age difference doesn't matter. She believed so, and she married, but her husband's vigor faded far more quickly than she expected. She knew it would happen someday, but Yuka's untimely arrival leaves her frustrated. That night, she put more effort into her masturbation than usual, as if to vent her regrets and dissatisfaction with her husband. Then, her son-in-law Shinya, who was suspicious of her leaking pant voice, peeked at her Yuka masturbating.
