motoi ayumu, sandrone (genshin impact), genshin impact, commentary request, highres, 1girl, beret, black hat, black serafuku, black shirt, black skirt, black socks, blue eyes, briefcase, brown hair, full body, hand up, hat, holding, loafers, long hair, looking at viewer, parted lips, pleated skirt, purple shoes, ribbed socks, sailor collar, school briefcase, school uniform, serafuku, shirt, shoes, simple background, skirt, socks, solo, standing, standing on one leg, very long hair, white background, white sailor collar