1girl, air_bubble, aya02ka, bikini, blush, breasts, bubble, butterflyfish, cleavage, fish, green_eyes, grey_hair, hololive, large_breasts, looking_at_viewer, mole, mole_on_breast, open_mouth, shirogane_noel, shirogane_noel_(summer_2020), short_hair, smile, stingray, swimsuit, tropical_fish, underwater, upper_body, virtual_youtuber, water, wavy_hair