ushimochi, takarada rikka, gridman universe, ssss.gridman, absurdres, highres, ball, bare arms, bare legs, bare shoulders, beachball, bikini, black hair, blue eyes, breasts, cleavage, collarbone, full body, hair between eyes, holding, holding ball, holding beachball, large breasts, long hair, looking at viewer, navel, official alternate costume, official alternate hairstyle, open mouth, ponytail, simple background, stomach, swimsuit, thighs, white background