1girl, adapted_costume, aqua_eyes, armpits, artist_name, bikini, black_hair, breasts, collarbone, confused_alif, hair_ribbon, hololive, large_breasts, looking_at_viewer, navel, oozora_subaru, oozora_subaru_(hololive_summer_2019), ribbon, short_hair, solo, swimsuit, thighs, tongue, tongue_out, virtual_youtuber, w, water, yellow_bikini