"Please!" Manager Seki convinces Kaoruko to participate in a celebrity swim competition. However, Aimi, despite never having heard of how to participate, decides to challenge the competition with her whole body and soul in order to stand out. Meanwhile, Kanashi is depressed after failing to do evil deeds. What Kanashi hears then is a song coming from the park. Her heart is soothed by the song being played by the musical duo Poirot. Before long, she begins to feel faint love...