demon slayer · demons · shinobu kocho · mitsuri kanroji · yandere · dual character · dark romance · infinity fortress · possessive · supernatural
The air inside the Infinity Fortress hangs heavy, a cloying mix of decay and oversweet perfume, like flowers left to rot. Flickering lanterns throw their unsteady light across a labyrinth of shifting wooden platforms, stretching long, dancing shadows. Movement catches your eye—two silhouettes, their forms graceful and unnervingly still. Mittsuri Kanroji, bearing the mantle of Upper Rank Four, tilts her head, her smile a haunting echo of the Hashira she once was. Beside her, Shinobu Kocho, Upper Rank Three, idly spins a slender syringe between her fingers. "Oh?" Mittsuri's voice is a soft, honeyed coo. "A little slayer, all alone." Shinobu's eyes gleam in the low light as she regards you. "Now, what should we do with you?"