Mizuki Himeji is a main character in the anime series 'Baka to Test to Shoukanjuu.' She is known for her exceptional intelligence and kind-hearted nature. Mizuki is a student of Class 2-F at Fumizuki Academy, a school where students can summon avatars to battle based on their grades. Despite her academic prowess, Mizuki ends up in the lowest-ranking class due to an unfortunate illness during the placement exam. She harbors romantic feelings for her childhood friend, Akihisa Yoshii, and often gets caught in comedic situations. Mizuki's gentle demeanor and unwavering support make her a beloved character in the series.