High school girl meets hot college boy, but he gets into a situation trying to prevent an interdimensional worm from killing millions of people, and he is transformed into the three-legged chair that the girl’s mom made for her before dying in an earthquake. The girl accidentally transforms the protective stone keeping the dimensional doors shut into a cat, and now she and the surprisingly nimble chair have to cross Japan chasing the cat, closing doors and fighting worms, while missing their exams back at home. Of course this was in the top-five biggest Japanese theatrical films ever.