hone kawa, rio (blue archive), blue archive, highres, revision, variant set, 1girl, alternate costume, areola slip, armpits, arms behind head, arms up, bare shoulders, bikini, black bikini, black hair, black halo, blunt bangs, blush, breasts, cleavage, closed mouth, cowboy shot, gluteal fold, groin, hair ornament, hairclip, halo, huge breasts, long hair, looking at viewer, micro bikini, millennium science school logo, navel, presenting armpit, red eyes, side-tie bikini bottom, simple background, solo, speech bubble, spoken blush, stomach, string bikini, swimsuit, very long hair, white background