1girl, black_ribbon, blonde_hair, blue_background, blue_eyes, blue_one-piece_swimsuit, bow_hairband, collarbone, cowboy_shot, flat_chest, forehead, gradient_background, hair_ribbon, hairband, innertube, kurumi_(lycoris_recoil), long_hair, lycoris_recoil, one-piece_swimsuit, retsumaru, ribbon, school_swimsuit, solo, swimsuit, transparent_innertube