tooo88, oozora_subaru, oozora_subaru_(hololive_summer_2019), year_2024, 1girl, bikini, black_hair, blue_eyes, blue_sky, breasts, cloud, day, looking_at_viewer, medium_breasts, official_alternate_costume, official_alternate_hairstyle, open_mouth, outdoors, partially_underwater_shot, polka_dot_hairband, short_hair, sky, solo, striped_bikini, striped_clothes, swept_bangs, swimsuit, teeth, upper_teeth_only, virtual_youtuber, water, waving, yellow_bikini, highres, hololive