4girls, bikini, blue_archive, blush, breasts, floating_hair, frilled_bikini, frills, halo, happy, heterochromia, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), inflatable_orca, inflatable_toy, innertube, looking_at_viewer, multiple_girls, namakisama, ocean, official_alternate_costume, outdoors, pink_hair, sky, small_breasts, smile, solo_focus, swimsuit, twintails, white_bikini