1girl, alternate_costume, armpits, ass_visible_through_thighs, bare_shoulders, black_hair, blue_eyes, blue_one-piece_swimsuit, blue_sky, breasts, cloud, contrail, cowboy_shot, fence, groin, highleg, highleg_swimsuit, hololive, jacket, kuno_(kc9s), letterboxed, looking_at_viewer, new_school_swimsuit, one-piece_swimsuit, oozora_subaru, open_clothes, open_mouth, outdoors, school_swimsuit, short_hair, sky, smile, solo, standing, swept_bangs, swimsuit, virtual_youtuber, wet, whistle, whistle_around_neck