Satsuki Kiryuin is a fictional character from the anime and manga series Kill la Kill. She serves as the main antagonist and is known for her strong leadership and determination. Satsuki is the president of the student council at Honnouji Academy, where she enforces strict rules and promotes a militaristic culture among the students. Satsuki wields a powerful weapon called Bakuzan, a katana that symbolizes her authority. She wears a special uniform known as Goku Uniform, which grants her enhanced abilities. Throughout the series, Satsuki's character evolves as she confronts her past and the true nature of her ambitions.