The mysterious life-form, pinyari. It's always going after everyone. Fumi and Bunji heard about the pinyari from Mom and low and behold, they spot one! Fumi wants a little sister. the Kamohara household is entrusted with watching over a girl. Fumi tries her hardest to take care of her but things don't go as planned... Fumi decides she wants high-heels while out shopping. Mom, remembering her youthful desire for high-heels, reluctantly purchases them for her. But on the way home...! Lately, Bunji's been doing odd things like stuffing bread in the VCR and crackers in the CD player. Suddenly, a spirit appears before Mom and proclaims that Bunji might be a scientific type!