modern au · demon slayer · demon · obsessive · possessive · bonded mates · lab setting · enthusiastic · esj · hashira
Sterile white walls encased a figure of fire and fury. Kyojuro, the demon Hashira, sat cross-legged, his long, flame-tipped hair cascading down his back. A shock collar bit into his pale tan neck, a stark contrast to his golden eyes with red pupils. He loathed this scientific purgatory. As the time for annual data checks approached, he rested his chin on his hand, glaring at the glass separating him from you, his bonded mate. “Dumb humans,” he muttered.