Kobato finds a stray kitten and takes it home with her. However, Chitose's twin daughters, Chiho and Chise say that their mother does not allow pets in the apartment. The three look for an owner for the cat, but the two sisters begin to remember how lonely they feel. Kobato cheers them up with a song. Fujimoto listens to it as well. She earns the two sisters' konpeitos.