KSBJ-175 Cheating at home behind her husband's back, Mayuka Kitagawa

My husband's younger brother, Shin-san, came by because he had some business nearby. It was the first time in a while. Shin-san and I are classmates and have known each other for a long time. Whenever I see him, I feel like playing a prank on him… While the three of us were chatting, I secretly touched his crotch with my foot to enjoy the thrill. When he tried to stand up and escape to the toilet so as not to be found out by my husband, I chased after him and sucked on his dick. That day, Shin-san somehow managed to avoid being caught and was relieved…