2girls, alternate_costume, alternate_hairstyle, bikini, bikini_under_clothes, black_hair, clone, hair_ornament, halterneck, hat, hololive, indie_virtual_youtuber, light_brown_hair, multiple_girls, navel, official_alternate_costume, oozora_subaru, oozora_subaru_(2nd_costume), oozora_subaru_(hololive_summer_2019), open_clothes, pixel_art, shigure_ui_(1st_costume)_(vtuber), shigure_ui_(vtuber), short_hair, shorts, stomach, swimsuit, tengu_nouzu, virtual_youtuber