The first collaboration between Circle KNUCKLE HEAD and Fitch brings to life the popular work 'The Child of My Past Affair Partner Turns Out to Be My Son's Classmate...', which recorded 80,000 downloads on FANZA's doujin comics, starring Fitch's exclusive voluptuous J-cup Yuki Chitose. The story follows Kanae, who had an affair just before her son was born. Living with regret over her past actions, one day, her son's friend comes over to play. The child reveals that he is the offspring of Kanae's past affair partner and claims to have seen a video of their act. With her weakness exposed, Kanae descends into a sexual relationship with the child... Yuki Chitose's voluptuous body is so perfect that one might think the original work was modeled after her. The expression in the final scene, as she becomes increasingly entangled with her son's classmate, showcases Yuki Chitose's superb acting skills, making it a must-watch.