1girl, aqua_eyes, arm_behind_back, arm_under_breasts, bikini, black_hair, blue_sky, blurry, blush, bow, bow_hairband, breasts, closed_mouth, cloud, day, depth_of_field, falling_leaves, groin, hair_bow, hairband, hololive, large_breasts, leaf, lens_flare, looking_at_viewer, navel, official_alternate_costume, official_alternate_hairstyle, oozora_subaru, oozora_subaru_(hololive_summer_2019), outdoors, polka_dot, polka_dot_bow, rei_(rei_9146), short_hair, skindentation, sky, solo, stomach, striped, striped_bikini, swept_bangs, swimsuit, virtual_youtuber, wet, yellow_bikini