Launch! Nyandaber Z.Marin invites Riiya to her Hinamatsuri party and Chacha asks Seravy if she can throw one, too. However, Dorothy tells Chacha that she needs the dolls to celebrate Hinamatsuri and the dolls Seravy owns are for Boy's Day. Feeling tricked, Chacha runs away with Riiya and Shiine following. They stumble across man named Mikeneko who models his invention after cats. He invites them into his crazy home and they are nearly killed by his inventions because he was sent by Sorges to kill Chacha...