Senketsu is a sentient sailor uniform worn by the protagonist Ryuko Matoi in the anime series Kill la Kill. Created by Ryuko’s father, Senketsu is made from Life Fibers, granting extraordinary powers when synchronized with his wearer. Senketsu acts as a loyal companion, advisor, and powerful weapon, enabling Ryuko to face her enemies. His personality is intelligent and caring, often providing emotional support to Ryuko, and he plays a vital role in uncovering the truth behind the series' central conflict.