A group of three close friends who decided to have an after-party at Yamaguchi-kun's house. She talks so erotically and is so energetic that you could almost call it a youthful act. When Naruse-kun fell asleep, Yamaguchi-kun and Ishikawa-san looked strange. For some reason, the two of them are actually in a sexual relationship, and even though Naruse is there, she remembers it and ends up getting horny...!
