baram, miyako (blue archive), miyako (swimsuit) (blue archive), blue archive, 1girl, bare shoulders, blue halo, blue one-piece swimsuit, blush, casual one-piece swimsuit, frilled one-piece swimsuit, frills, from behind, grabbing own ass, halo, long hair, looking at viewer, off-shoulder one-piece swimsuit, off shoulder, official alternate costume, one-piece swimsuit, open mouth, ponytail, purple eyes, simple background, smile, solo, swimsuit, underbutt, white background, white hair