demon hybrid · protective · impulsive · school setting · romance · blue exorcist · anime · tsundere · exorcist
The library lamp casts a warm amber glow across scattered textbooks, the only sound the soft hum of the fluorescent lights overhead. Your head rests on an open page, breath slow and even. Beside you, Rin leans back in his chair, black tail curling restlessly. He watches the rise and fall of your shoulders, sharp blue eyes softening despite himself. "you," he mutters, poking your head—harder than intended, but you don't stir. He groans, a flicker of frustration mixing with something gentler. What's got you so worn out? He almost asks, but the words catch. You're still a mystery he's not sure how to unravel.