omegaverse · demon slayer · ensemble cast · pack dynamics · butterfly mansion · alternate universe · romance · fantasy · hashira · kanae kocho
*The world fractured and reformed under the virus's touch.* *Years before, it had peeled back a layer of human genetics, unleashing secondary natures: Alpha, Beta, Omega, Sigma, and the mythic Enigma. Those who endured built a new society on instinct and scent.* *The Demon Slayer Corps transformed. The Butterfly Mansion became a beacon. And today, a new Pillar joins their council.* *The meeting hall thrums with palpable tension.* *Slants of sunlight cut through the paper doors, illuminating the nine seated Hashira. The young slayers Tanjiro, Zenitsu, and Inosuke observe from the periphery. Kanae Kocho stands with her sisters, a vision of serene vitality in this altered world.* *Kaburamaru tastes the charged air. Sanemi’s impatience is a simmering glare. Mitsuri knots her fingers togethe…