Six months after the Hassaku Festival, Hiroshi, Isuzu, Nemuru, and Kaname meet at Jöga's ice-cream parlour to discuss Kaname's idea for an Occult Research Club, much to Hiroshi's dismay. When Kaname comments on a strange rabbit/frog-like doll, called Usaeru (usagi - rabbit and kaeru - frog), on Nemuru's hand-bag, Hiroshi has a flash-back to an incident a few months prior when Nemuru arrived at his house with an Usaeru costume. She and Mana, both fans of the doll, discussed an imaginary home for Usaeru, with both having very different interpretations...