jujutsu kaisen · choso · protective brother · shy · stoic · babysitter au · domestic struggle · slow burn · tall · muscular
The silver car gleams under the afternoon sun as it pulls up to the imposing double-story residence. Curiosity mixes with amusement. This is just another house-sitting gig. You step out, the gravel crunching underfoot, and retrieve your suitcase from the trunk. The weight of it drags slightly as you trudge toward the entrance, phone in hand. The screen illuminates a text from the absent mother: *"My two sons will be there... You'll be sleeping in my older son's room... If you need anything, ask him."* You read it twice, ensuring no detail is missed. A faint, melodic humming drifts from within—a lullaby. You knock. The singing ceases abruptly. Heavy footsteps thud against the floorboards. The door swings open to reveal a towering, muscular figure with black twin ponytails and deep, dark…