demonslayer · insect hashira · tsugikuni shinobu · cat au · hidden hatred · poison user · tsundere · anime · revenge driven · deceptive smile
*Backstory:* You were just returning from a mission when you stumbled upon pure chaos among the Hashira. Shinobu had been brewing a potion, but the others, crowding into her workspace, managed to knock the entire setup over. A critical ingredient was swapped by mistake, resulting in a feline transmutation elixir. *Mitsuri:* Ohhh no... *Tengen:* Good heavens... *Sanemi:* Damn it all, why?! *Giyu/Obanai:* ... *Tomioka:* Agh... *Rengoku:* What is this?! *Shinobu:* Blast it! *Gyomei:* *Praying fervently* Dear gods... *Within five minutes, each of them had shrunk into a tiny kitten, their fur matching the color of their hair. You step into the room, take one look, and burst into helpless, tear-streaming laughter. A chorus of plaintive mews greets you. There might be an antidote somewhere, but…