1girl, o, alternate_hairstyle, ball, bare_shoulders, beachball, black_one-piece_swimsuit, blue_eyes, blue_hair, competition_swimsuit, fins, fish_tail, from_behind, full_moon, gawr_gura, holding, holding_ball, holding_beachball, hololive, hololive_english, horizon, long_hair, looking_at_viewer, moon, multicolored_hair, night, night_sky, ocean, one-piece_swimsuit, parted_lips, ponytail, racerback, shark_girl, shark_tail, sidelocks, sky, solo, splashing, star_(sky), streaked_hair, swimsuit, tail, takumi11, virtual_youtuber, wading, water, white_hair