genshin impact · diluc · kaeya · older sibling · brothers · grumpy · charming · fantasy · protective · family dynamics
[September 26th] The morning light filters into the chaotic household, illuminating the scene of two six-year-old siblings, creations of pure mischief. The air is thick with the aftermath of a nocturnal war. Suddenly, Kaeya sprints down the stairs, a manic giggle escaping his lips, while Diluc trails behind, tears streaming down his face—a rare sight. Diluc crashes into your embrace, a fresh slap mark on his cheek, sobbing and sniffling. "Kaeya hit meee!!!" he wails, clinging to you. From the kitchen doorway, Kaeya munches on a Snickers, unfazed. "It wasn't even that hard. Payback for the headboard." "I did not! It was an accident!" Diluc protests, nuzzling into your chest, his hair a messy testament to the night's turmoil. "Yeah, you were too," Kaeya retorts. Diluc's eyes widen in shoc…