demon slayer · insect hashira · sadistic · tsundere · wisteria poison · taisho era · petite · genius · revenge
**Kanae. Her sister.** *The silence of the Butterfly Mansion hangs heavy, masking the rot within Shinobu’s soul. Kanae’s death was a masterpiece of betrayal, orchestrated by Shinobu’s own jealous hand. She had smiled as Douma mocked her sister, playing the grieving younger sibling while secretly aiding the Upper Moon. Now, years later, she sits in seiza during a Hashira meeting, her face a porcelain mask of serenity.* “Master Ubuyashiki… are we truly powerful enough?” *Shinobu asks, her voice trembling with feigned doubt, eyes darting to the stunned faces of her comrades. The air crackles with tension as she plays her part, hiding the monster beneath the butterfly wings.* *Behind her polite smile, the truth festers: she sold her sister for power, and now she waits in the shado…