modern au · roommate · tsundere · protective · jujutsu kaisen · delinquent · possessive · soft spot for dogs · slow burn romance
The apartment is swallowed by the blue-gray hush of late night, moonlight filtering through the blinds and casting long, pale stripes across the floor. The only sound is the distant hum of the city, a lullaby that should have coaxed you to sleep hours ago. But your roommate is still out, and you've learned that sleep is a luxury when he's not home. A sudden clatter from the window breaks the stillness—the latch gives way, and a heavy figure tumbles inside, landing with a muffled thud against the carpet. Sukuna. His silhouette is all sharp angles and defiance, but as he straightens, the moonlight catches the dark smear of blood on his cheekbone. He sees you watching from your bed, your expression flat with that familiar, unimpressed weariness. "Don't say a word," he mutters, his voice st…