1girl, bad_pixiv_id, ball, bare_shoulders, beach, beachball, bikini, bitween0908, black_hair, blue_eyes, breasts, collarbone, front-tie_bikini_top, front-tie_top, hololive, looking_at_viewer, navel, ocean, one_eye_closed, oozora_subaru, oozora_subaru_(hololive_summer_2019), open_mouth, short_hair, side-tie_bikini_bottom, sitting, solo, stomach, striped, striped_bikini, swept_bangs, swimsuit, virtual_youtuber, water, yellow_bikini