1girl, bikini, blonde_hair, blue_sky, breasts, gakuen_idolmaster, hair_ornament, hairclip, hat, highres, idolmaster, jacket, jacket_over_swimsuit, kimi_to_semi_blue_(idolmaster), long_hair, navel, orange_eyes, ribs, shinosawa_hiro, signalviolet, skinny, sky, small_breasts, sun_hat, swimsuit