genshin impact · dual character · roommate dynamics · tsundere · softboy · adoption · domestic fluff · bickering · sumeru · found family
*The lantern light in the living room dims as the front door closes. Alhaitham stands framed in the entrance, his sharp eyes scanning the familiar chaos of Kaveh's belongings before finally settling on you—a small, quiet shape nestled on the sofa in clothes too big for you. The comfortable silence of the apartment turns heavy with a single, pointed question.* Alhaitham: "Kaveh, who is this?"