Natsuru Senou

As a second-year student at Seitetsu Gakuin High, this central protagonist serves as a powerful fire-based Blue Kämpfer. Due to the unique nature of his transformation into a female warrior, he was moved into the all-girls class to hide his true identity from classmates. Now recognized as one of the school's "Three Beauties," his female form has unintentionally attracted the intense romantic interest of Kaede Sakura, complicating his existing feelings for her.