1girl, arched_bangs, ass, back, bare_arms, bikini, bikini_skirt, black_bikini, blush, breasts, brown_eyes, grey_hair, hairband, hayana_neru, hololive, long_hair, looking_at_viewer, looking_to_the_side, murasaki_shion, murasaki_shion_(hololive_summer_2019), official_alternate_costume, parted_lips, shoulder_blades, sideboob, simple_background, small_breasts, solo, standing, swimsuit, virtual_youtuber, white_background