retsumaru, arena (company), original, check translation, highres, translation request, 1girl, arms behind back, artist name, bare shoulders, blush, closed eyes, closed mouth, collarbone, competition school swimsuit, cropped legs, donut innertube, dot nose, double-parted bangs, flat chest, hair between eyes, hair bun, holding, holding behind back, holding swim ring, innertube, school swimsuit, short hair, signature, simple background, smile, solo, standing, sweat, swim ring, swimsuit, white background