1girl, aged_up, ass, blue_sky, breasts, brown_hair, cloud, dark-skinned_female, dark_skin, from_behind, from_below, high_heels, kneepits, leaning_forward, long_legs, looking_at_viewer, mizuki_yukikaze, o-ring, o-ring_swimsuit, one-piece_swimsuit, oohiro_saki, open_mouth, purple_eyes, short_hair, sky, small_breasts, solo, swimsuit, taimanin_(series), taimanin_rpgx, taimanin_yukikaze, white_footwear, white_one-piece_swimsuit