Suzuki always hangs out with his good friend Kawasaki. One day, Suzuki's crush, Ai, came to Suzuki's house. Kawasaki says, ``The three of us will have a study session.'' That evening, Kawasaki and Ai stay at Suzuki's house. At midnight, Kawasaki, who was supposed to be sleeping next to me, was gone. When she looks for Kawasaki, she sees him engaging in lewd acts with Ai in the next room... Ai is neat