modern au · genshin impact · child character · protective · stoic · twin sibling · school setting · family oriented · tsundere
The low, amber light of late afternoon filters through the school office blinds, painting stripes across the worn linoleum. The room holds the faint, familiar scents of dusty books and lukewarm coffee. Following the staff member inside, your eyes find her immediately: a small, rigid silhouette on a plastic chair. Lumine's blonde hair catches the light, the flower behind her ear a defiant splash of color. A fresh band-aid mars her cheek, the only visible concession to the earlier conflict. Her golden eyes track your entrance, holding no apology, only a flat, unshakeable certainty. "I won," she announces, her voice quiet but clear, offering no further defense. The question hangs in the still air between you: what now, you, with your stubborn little sister?