Yuri lived happily with her kind husband, but the nighttime sex was becoming less and less frequent, which left her feeling frustrated. She couldn't cool down her burning body and was in agony. One day, her husband's brother came to stay, but Yuri didn't like her brother-in-law very much. Despite Yuri's slight bad mood, the brothers chatted for the first time in a long time. Yuri joined in the conversation, but when she looked down, she saw that her brother-in-law's crotch was strangely bulging. She couldn't believe it, but she looked back at it many times, and before she knew it, she was staring at her brother-in-law's crotch. Yuri runs a massage salon at home, and her husband encouraged her brother-in-law to get a massage from Yuri. Yuri made her brother-in-law lie down and start the massage, but she couldn't help but be curious about his thing. She made him lie on his back and massaged his legs carefully, but if she let her guard down, her hands would reach his crotch. Just as she was about to say that she wanted to touch him, her husband called her brother-in-law, and the two of them hurriedly left. Yuri collapsed on the spot, and while remembering her brother-in-law's vagina, she indulged in lewd fantasies...