1girl, alternate_costume, beach, bikini, bikini_under_clothes, black_bikini, black_shirt, blue_eyes, blue_hair, blue_sky, breasts, closed_mouth, crop_top, day, eyewear_on_head, hololive, hoshimachi_suisei, long_hair, long_sleeves, looking_at_viewer, lying, midriff, navel, ocean, on_side, outdoors, scarlet_(wv0102), shirt, sky, small_breasts, solo, stomach, sunglasses, swimsuit, underboob, virtual_youtuber