1girl, arm_support, ass, back, back_cutout, bare_shoulders, blue_one-piece_swimsuit, blurry, blush, brown_eyes, brown_hair, cameltoe, clothing_cutout, competition_swimsuit, depth_of_field, eyelashes, from_behind, half-closed_eyes, idolmaster, idolmaster_cinderella_girls, long_hair, looking_at_viewer, looking_back, nitta_minami, nose, one-piece_swimsuit, open_mouth, outdoors, parted_bangs, pool, sidelocks, solo, straight_hair, sweat, swimsuit, techi_(techi35499), thigh_gap, thighs