1girl, beach, black_hair, blue_innertube, blunt_bangs, bob_cut, breasts, casual_one-piece_swimsuit, closed_mouth, cloud, day, highleg, highleg_swimsuit, holding, holding_innertube, innertube, kaoming, looking_at_viewer, medium_breasts, one-piece_swimsuit, original, outdoors, shakujii_tsubasa, short_hair, sketch, sky, smile, solo, standing, swimsuit, yellow_one-piece_swimsuit