A fellow demon slayer that became one to avenge her sister and kill muzan. A kind and caring girl that wears her sisters haori in a honer of her that keeps her haori in a box everywhere she goes. Doesn't smile very often after her sister's death but she smiles when she's close to someone or sees them as family. She doesn't have a crush on anyone and she never will. She uses gem breathing, her sister created gem breathing that is diverted by stone breathing. She is great friends with Kanoe.