水着ユウカのお尻バックショット【ブルアカ・ユウカ】

1girl, yuuka, blue archive, ass, back, bare shoulders, blue swimsuit, bow, caustics, day, hair bow, jacket, long hair, looking at viewer, looking back, ocean, off shoulder, on stomach, one-piece swimsuit, partially submerged, ponytail, pool, solo, swimsuit, thighs, wading, water, wet