1girl, bikini, blue_sky, breasts, cloud, cowboy_shot, day, hair_ribbon, halterneck, hands_on_headwear, hat, heterochromia, hololive, horizon, houshou_marine, houshou_marine_(summer), lifebuoy, long_hair, looking_at_viewer, medium_breasts, ocean, official_alternate_costume, outdoors, railing, red_bikini, red_eyes, red_hair, red_ribbon, ribbon, sky, solo, standing, string_bikini, sun_hat, swimsuit, tataki_worker, twintails, virtual_youtuber, water, white_headwear, yellow_eyes