The Cat Who Loved Books

High school student Rintaro Natsuki is about to close the secondhand bookstore he inherited from his beloved grandfather. But one ordinary day, a talking cat named Tiger appears among the shelves. He takes the teenager on an exciting journey aimed at saving books. First from an intellectual who locks hundreds of volumes in a cupboard, then from a professor who maniacally tears pages with scissors... What awaits young Rintaro and his friend Yuzuki on this path, and how will they save all the books in danger?