Challenge series problem sets specifically designed for Tokyo Metropolitan entrance exam preparation. - Series Name: Challenge Entrance Exam Frequently Appearing Theme Mastery - Volumes: VOL.1, VOL.2, VOL.3, VOL.4 - Target Audience: Tokyo Metropolitan area - Content: Problem sets specifically designed for entrance exam preparation For 2025 entrance exam preparation. These are supplementary materials from the Shinken Zemi Junior High School Comprehensive Course. I am selling them because I didn't use them. There are problems, answers, and explanations for frequently appearing themes in the five subjects.