2girls, arm_behind_head, arm_up, armpits, ass, back, bare_shoulders, bikini, black_bikini, blue_eyes, blue_hair, blue_one-piece_swimsuit, blue_sky, blush, breasts, fins, fish_tail, gawr_gura, grey_hair, hair_bun, hair_ornament, hairband, highleg, highleg_swimsuit, hololive, hololive_english, long_hair, looking_at_viewer, looking_back, medium_hair, multicolored_hair, multiple_girls, murasaki_shion, murasaki_shion_(hololive_summer_2019), one-piece_swimsuit, open_mouth, outdoors, shark_girl, shark_hair_ornament, shark_tail, sharp_teeth, shimokirin, sidelocks, single_side_bun, sky, small_breasts, smile, streaked_hair, swimsuit, tail, teeth, thighs, two_side_up, v, virtual_youtuber, wading, water, wet, yellow_eyes