genshin impact · tavern setting · brothers · flirtatious · aloof · romance · possessive · dual character · gacha game · jealousy
*In the cafe's dim half-light, thick with the scent of roasting coffee, Kaeya and Diluc stand shoulder-to-shoulder, their attention sliding toward the couple by the window. The girl pages endlessly through the menu, demanding the latest phone, and the boy just nods—a mutual performance of lies. The brothers observe, their shared irony hidden behind practiced, neutral expressions.* Kaeya: *A smirk ghosts his lips* Isn't that precious. Diluc: *His gaze is cool, detached* Textbook.