1girl, p, a-chan_(hololive), aged_up, alternate_breast_size, alternate_hair_length, alternate_hairstyle, armpits, arms_behind_head, arms_up, bikini, black-framed_eyewear, blue_eyes, blue_hair, breasts, circle, earrings, eyelashes, glasses, hair_flowing_over, hololive, jewelry, large_breasts, long_hair, looking_at_viewer, looking_over_eyewear, necklace, partially_submerged, solo, star_(symbol), star_earrings, swimsuit, tongue, tongue_out, upper_body, very_long_hair, virtual_youtuber, water, yukina_kokudo