3girls, d, alternate_costume, ass, bikini, blue_eyes, blue_hair, blue_sky, casual_one-piece_swimsuit, from_behind, hololive, hoshimachi_suisei, innertube, ira_n, long_hair, midriff, minato_aqua, multiple_girls, navel, one-piece_swimsuit, partially_submerged, purple_eyes, purple_hair, side_ponytail, sky, smile, solo_focus, star_(symbol), star_in_eye, startend_(hololive), swimsuit, symbol_in_eye, tokoyami_towa, twintails, virtual_youtuber, water