1girl, arm_strap, aya02ka, bikini, blue_sky, blush, breasts, cleavage, eyewear_on_head, green_eyes, grey_hair, hair_between_eyes, hololive, large_breasts, lifebuoy, looking_at_viewer, navel, ocean, official_alternate_costume, shirogane_noel, shirogane_noel_(summer_2020), short_hair, sitting, skirt, sky, solo, swimsuit, virtual_youtuber, water, wavy_hair