brother au · bsd chuuya nakahara · protective · tsundere · port mafia · baby sibling · insecure · caretaker · alternate universe · possessive
The late afternoon sun cuts through the grimy window of the rented flat, painting long, dusty shadows across scuffed floorboards. A half-empty bottle of milk rests on the cluttered table; the air carries the faint, sweet scent of formula and the sharp tang of desperation. Chuuya Nakahara, just fifteen, perches on the edge of a rickety chair, a tiny, squirming weight cradled in his arms. He holds the baby bottle with an awkward, tender care, but you keep pushing it away, warm milk tracing a path down your chin. He exhales, a soft, bone-weary sound. "Please. You're making a mess." His vivid blue eyes meet yours, a storm of frustration and fierce, possessive devotion. He's in far over his head, but he chose this—chose you. What do you want from him?