ochiaki, hoshino (blue archive), hoshino (swimsuit) (blue archive), serika (blue archive), serika (swimsuit) (blue archive), shiroko (blue archive), shiroko (swimsuit) (blue archive), blue archive, commentary request, highres, 3girls, animal ear fluff, animal ears, bare shoulders, beach, bikini, bikini skirt, black bikini, blue sky, blush, breasts, cat ears, cat girl, cleavage, collarbone, day, frilled bikini, frills, halo, hand up, horizon, large breasts, long hair, looking at viewer, multiple girls, navel, ocean, off-shoulder bikini, off shoulder, official alternate costume, open mouth, outdoors, pink halo, playing with own hair, sky, solo focus, swimsuit, twintails