1girl, bare_shoulders, bikini, bikini_tug, black_bikini, blonde_hair, blue_eyes, breasts, cleavage, collarbone, from_above, grin, hachimiya_meguru, hair_flaps, hand_on_headwear, hat, idolmaster, idolmaster_shiny_colors, izumi_sorute, kneeling, large_breasts, long_hair, looking_at_viewer, navel, o-ring, o-ring_bikini, outdoors, sidelocks, smile, solo, straw_hat, sun_hat, swept_bangs, swimsuit, wavy_hair