Mayoi Hachikuji

Mayoi Hachikuji is a ten-year-old fifth-grader recognizable by her twintails, hairband, and oversized backpack. She possesses an inquisitive nature and a drive to explore, which frequently leads her into various adventures. While she can be clumsy at times, her friendly and open personality makes her well-liked by her peers. Her fascination with mysteries and unsolved puzzles drives much of her journey.