1girl, alternate costume, ass, bangs, black hair, blue archive, blue buruma, blue eyeliner, blue eyes, blush, breasts, buruma, eyeliner, from behind, glasses, gym uniform, halo, large breasts, long hair, looking at viewer, looking back, makeup, parted lips, pointy ears, ponytail, rin (blue archive), shirt, short sleeves, simple background, sitting, solo, thighs, tyamurai33, white background, white shirt