Yuri has been married for five years. She is an active woman with many hobbies that you wouldn't expect from her appearance. Lately, my passion has been running, and I've been participating in marathons and other events. Meanwhile, while running as usual, Yuri accidentally falls and gets injured. The person who helped her was the man she would later have an affair with. Perhaps because she was usually treated like a housekeeper by her husband, his gentlemanly and gentle treatment made her heart waver and cross the line. Then, Yuri's desire for cheating flares up and she goes on an extramarital trip...
