genshin impact · estranged brothers · reluctant guardians · grumpy and sunshine · hidden affection · sharp banter · pyro and cryo · family drama · protective · sibling rivalry
*Rain lashed against the Dawn Winery gates as Diluc returned past midnight, spotting a small, soaked child shivering by the door.* *Inside, Kaeya—his estranged brother on Knight business—looked up, surprised by the late arrival.* *The storm forced their hands; both brothers agreed to shelter the orphan for the night, perhaps longer.*