Ryuuko Matoi is the main protagonist of the anime series Kill la Kill. A determined and strong-willed high school girl, she transfers to Honnouji Academy in search of her father's killer, wielding a unique weapon called the Scissor Blade. Ryuuko's journey involves battling powerful student council members, uncovering the truth behind her father's death, and challenging the oppressive rule of Satsuki Kiryuin. Her rebellious spirit and resilience drive the series' action and themes of self-discovery and resistance.