firstdayiyui, sengoku nadeko, senjougahara hitagi, monogatari (series), absurdres, highres, 2girls, arm up, ass, back, bare back, barefoot, blue eyes, breasts, brown eyes, cleavage, collarbone, covered navel, crab, feet, green hair, holding trowel, kneeling, looking at viewer, medium breasts, multiple girls, one-piece swimsuit, pink one-piece swimsuit, purple hair, sand castle, sand sculpture, seashell, shell, simple background, swimsuit, trowel, white background