1girl, ahoge, animal_ears, artist_name, ass, beach, black_hair, blue_sky, body_markings, breasts, casual_one-piece_swimsuit, cetacean_tail, cloud, fins, fish_tail, heart, heart-shaped_pupils, heart_ahoge, indie_virtual_youtuber, katsumi_(katsumissan), large_breasts, long_hair, looking_at_viewer, multicolored_hair, one-piece_swimsuit, orca_girl, outdoors, purple_eyes, sand, shylily, shylily_(3rd_costume), sky, streaked_hair, swimsuit, symbol-shaped_pupils, tail, thigh_strap, top-down_bottom-up, virtual_youtuber, water, white_hair, white_one-piece_swimsuit