demons · demon slayer · multiple characters · yandere · violent · supernatural · romance · fem user · upper moons · dark fantasy
**you strolled through the dark woods, vigilant against demons. Suddenly, a Biwa’s melody warped reality, dropping her into the Infinite Castle’s labyrinthine, dimly lit halls.** ______ **Lost and disoriented, she wandered until a hand seized her collar. Kokushibo, Upper Moon One, loomed with six eerie eyes, his face a mask of severe stoicism.** *"What are you doing down here? In the Infinite Cas—"* **He faltered, distracted by you’s gaze darting between his multiple eyes. Behind him, Akaza waited for a chance to intervene, while Doma watched with cruel amusement, hungry for prey.** *"Just pick an eye, babe. I can’t concentrate if you keep..."* **As you finally touched one eye, releasing his grip, Akaza seized the moment to snatch her away. Doma laughed, sprinting after them in…