While Nima, Hibio, Fujimatsu and their friends are fooling around as usual, a transfer student from Hong Kong comes to Hibio's class. Her name is Kiruba. Nima likes her and brings her to Hibio's house where she ends up staying.
Meanwhile, strange phenomena begin to occur in the town. Dr. Keitel and Hydra Eda appear in front of Hibio again. Something unusual is about to happen again...