Komoe Tsukuyomi is a teacher at Academy City and a recurring character in the "To Aru Majutsu no Index" series. Despite her childlike appearance and petite stature, she is actually an adult and highly respected for her teaching abilities. Komoe is known for her kindness, dedication to her students, and quirky personality. She often provides guidance and support to the main characters, especially Touma Kamijou. Her apartment also serves as a safe haven for several key characters throughout the story.