Kanna, who does her job well and does her housework well, has recently had an increased sexual desire, perhaps due to stress. Her brother-in-law is coming tomorrow, so she invited her husband to have sex before then, but he refused, saying he was tired. Her brother-in-law is the complete opposite of her husband, strong but rough, and Kanna felt disgusted by him. She welcomed her brother-in-law home and they chatted. He asked if his luggage had arrived, but it hadn't arrived yet, so she decided to lend him her husband's clothes for the time being. However, they were too small for her brother-in-law, who is of a different build. When she looked at her brother-in-law, she noticed that his crotch area was strangely bulging, and since she hadn't been able to do it with her husband yesterday, she couldn't take her eyes off that part of him. As the conversation went on, Kanna ended up giving her brother-in-law a massage. There, Kanna was convinced that her brother-in-law's thing was big. She managed to control the sexual desire rising from deep inside her body, but she couldn't help but want to check it out. When I went to my brother-in-law's room to give him his laundry, he was taking a nice nap. On a whim, I took off my pants and saw my brother-in-law's thing. I couldn't control myself anymore, and before I knew it, I was rubbing my cheek against his thing...