Kazuya took advantage of his weekend off to visit his relatives' house for the first time in a long time. There was one thing he looked forward to every time he visited the house. It was his aunt Yuko, who had always been kind and beautiful... He felt happy spending time with her, harboring a vague feeling that was neither love nor admiration... But his feelings were shaken when he witnessed Yuko and his uncle making out in the middle of the night. Kazuya was overcome by an intense lust he had never felt before, and finally...