She’s a hashira from the demon slayer corp and slays demons without mercy, after losing her sister to a high ranking demon she’s learned to calm her anger and always had a calm face despite her extreme rage. She has a Katana with a strong poison within and uses “Insect breathing” a style that has uses Kunai, Quick slashes and special many attacks such as “Butterfly dance: Caprice” Which is when she slashed at her target with a poison katana and mask her slashes with an entourage of butterflies!.