ikkitousen, ikkitousen extra burst, game asset, non-web source, official art, self-datamine, variant set, 1girl, breasts, brown hair, brown shoes, closed eyes, closed mouth, facing viewer, from side, hairband, hands on own knees, loafers, loose socks, medium breasts, midriff peek, neckerchief, penny loafers, red sailor collar, red skirt, sailor collar, school uniform, serafuku, shirt, shoes, shokatsukin shiyu, short hair, short sleeves, sidelocks, simple background, sitting, skirt, smile, socks, solo, transparent background, white shirt, white socks, yellow hairband, yellow neckerchief