zelc-face, sena (xenoblade), xenoblade chronicles (series), xenoblade chronicles 3, highres, 1girl, alternate costume, ass, ass focus, ass support, back cutout, black one-piece swimsuit, blue hair, blue one-piece swimsuit, body markings, brown eyes, clothing cutout, competition swimsuit, dark-skinned female, dark skin, feet out of frame, from behind, highleg, highleg one-piece swimsuit, huge ass, looking at viewer, looking back, median furrow, one-piece swimsuit, simple background, smile, solo, standing, swimsuit, white background