1girl, armpits, arms_behind_back, ass_visible_through_thighs, bikini, black_hair, blue_eyes, blue_sky, blush, bow_hairband, breasts, cloud, day, green_hairband, green_jacket, hairband, hololive, jacket, kooribata, kuno_(kc9s), large_breasts, letterboxed, long_sleeves, looking_at_viewer, nail_polish, navel, official_alternate_costume, official_alternate_hairstyle, oozora_subaru, oozora_subaru_(hololive_summer_2019), open_clothes, open_mouth, orange_bikini, outdoors, red_nails, sandals, short_hair, side-tie_bikini_bottom, sky, smile, solo, stomach, striped, striped_bikini, swept_bangs, swimsuit, virtual_youtuber, wet