Still not satisfied with the drinks, the three close friends and colleagues decided to have a second party at Yamaguchi's house. Fueled by alcohol, they started talking about dirty things and acting like typical youthful exuberance. When Naruse fell asleep, Yamaguchi and Ishikawa started acting strangely. It turned out that the two had actually had sex before, and even though Naruse was right there, the memory got to them and they started having sex...!