masasim, gold city (boho flare) (umamusume), gold city (umamusume), umamusume, commentary request, highres, 1girl, animal ears, belt, bikini, black bikini, blonde hair, blue eyes, blush, breasts, ear ornament, horse ears, horse girl, large breasts, long hair, looking at viewer, midriff, official alternate costume, official alternate hairstyle, parted lips, sidelocks, simple background, skirt, solo, swimsuit, white background