a1 (initial-g), hagiwara yukiho, idolmaster, idolmaster (classic), idolmaster 1, 00s, 1girl, :o, ball, bent over, bikini, blush, bowling, bra, breasts, breasts apart, brown eyes, brown hair, crossed legs, downblouse, female focus, holding, lingerie, looking at viewer, navel, open mouth, outstretched arm, panties, playing, shiny skin, short hair, simple background, solo, swimsuit, throwing, underwear, white background, white bikini