1girl, bare_arms, black_hair, black_panties, black_sports_bra, breasts, brown_eyes, cleavage, closed_mouth, collarbone, gradient_background, grey_background, hair_between_eyes, hand_in_own_hair, hayakawa_mayumi, huge_breasts, navel, original, panties, sanpaku, shiki_(psychedelic_g2), short_hair, simple_background, solo, sports_bra, standing, stomach, sweat, underwear