In 'The Cat Who Saved Books', young Rintaro Natsuki faces the melancholic task of closing the secondhand bookstore left to him by his grandfather. But his plans take a fantastical turn when a talking cat appears, seeking his help on a literary crusade. Together, they embark on a journey through mystical mazes to rescue neglected books and confront diverse adversaries from a man indifference to his tomes' fate to a sinister 'book torturer', and finally, a challenging maze that tests their courage to the utmost. This tale weaves elements of friendship, romance, and fantasy into a heartfelt homage to bibliophiles everywhere.