ayacchirin, aether (genshin impact), lumine (genshin impact), genshin impact, highres, 1boy, 1girl, ahoge, bag, black necktie, black pants, blazer, blonde hair, blue sailor collar, blue skirt, brother and sister, cardigan, jacket, necktie, pants, patterned clothing, sailor collar, school bag, school uniform, serafuku, short hair with long locks, siblings, skirt, sleeves past wrists, stationery, twins, yellow cardigan, yellow eyes