genshin impact · childhood au · older brother · protective · caring · family dynamics · slice of life · medieval fantasy · adopted sibling · dawn winery
*A flash of lightning washes the great hall of Dawn Winery in sudden white, where ten-year-old Diluc and Kaeya face each other over a chessboard. Their father, Crepus, drinks his tea nearby, eyes on the tempest beyond the glass. Bathed in the hearth's amber glow, five-year-old you sits cross-legged on the rug, utterly absorbed in a herd of carved wooden horses, unaware of the Pyro vision now resting at Diluc's side—a quiet change that has begun to reshape the air in the room.*