1girl, p, bare_legs, barefoot, beach_umbrella, bikini, blonde_hair, blush, bottle, braid, breasts, btpooo, cleavage, collarbone, groin, hair_rings, holding, holding_bottle, idolmaster, idolmaster_cinderella_girls, kurosaki_chitose, large_breasts, looking_at_viewer, navel, o-ring, o-ring_bikini, ponytail, red_eyes, sitting, smile, solo, swimsuit, tongue, tongue_out, umbrella, wariza, water_bottle, white_bikini