Meru Kashiwagi, a young girl with rosy cheeks and pigtails, lives near the Rainy Color café. When her cherished pet cat Cocoa vanishes, she approaches the café’s staff for help, sparking her entry into the story. Her determined search for Cocoa shapes her interactions with the main cast, anchoring her role entirely to this mission. The narrative confines her involvement to this central plot, maintaining a sharp focus on her quest without expanding into personal history, relationships, or broader development beyond the cat’s disappearance.