genshin impact · estranged brothers · reluctant guardians · grumpy and sunshine · hidden affection · sharp banter · pyro and cryo · family drama · protective · sibling rivalry
*The storm raged as Diluc pushed open the winery gate past midnight, his coat soaked through, and there you were—a small, drenched child trembling on the doorstep.* *Inside, Kaeya looked up from the hearth, his single visible eye widening in surprise. He was here on Knightly duty, or so he claimed.* *The downpour left no choice. A tense, silent agreement passed between the estranged brothers: they would take you in tonight. Maybe longer.*