1boy, 1girl, bangs, blue hair, blush, brother and sister, butterfly hair ornament, genshin impact, gokugetsu momo, grey eyes, hair ornament, hakama, japanese clothes, kamisato ayaka, kamisato ayaka (springbloom missive), kamisato ayato, long hair, looking at another, open mouth, red ribbon, ribbon, short hair, siblings, smile, upper body, yellow headwear