During the scorching hot summer, I, a university student, took advantage of my summer vacation to go back home for the first time in a long time. I had borrowed some adult videos from a friend, and when I went to his house to return them, I found Daisuke's mother, Kanna, there. I knew I had brought some adult videos, but she found me. They were all works of married women and nymphomaniac women. Just when I thought she was disappointed, Kanna, who had seen through my sexual preferences, leaned in close with her sweaty body, smiled seductively, and attacked me...