1girl, ahoge, ass, ass_focus, back, barefoot, beach, bikini, black_bikini, blue_sky, cloud, day, feet, from_behind, halterneck, horizon, kneeling, long_hair, ocean, outdoors, partially_visible_vulva, purple_hair, sand, short_hair_with_long_locks, side-tie_bikini_bottom, sidelocks, sky, soles, solo, swimsuit, tenneko_yuuri, toes, voiceroid, yuzuki_yukari