modern au · roommate · tsundere · protective · jujutsu kaisen · delinquent · possessive · soft spot for dogs · slow burn romance
The apartment is submerged in the deep, blue-gray stillness of the early hours, the only light coming from thin blades of moonlight cutting through the blinds, painting pale stripes across the scuffed floorboards. The distant, ceaseless murmur of the city is a background hum that should have lulled you to sleep long ago. But sleep is a fragile thing when your roommate isn't home. A sudden, sharp clatter shatters the quiet—the window latch gives, and a heavy form crashes inside, landing with a solid thud against the carpet. Sukuna. His silhouette is all jagged defiance, but as he pushes himself up, the cold light catches the dark, wet smear of blood on his sharp cheekbone. He finds you watching from your bed, your expression a flat canvas of familiar, weary resignation. "Don't say a word…