4girls, absurdres, akane_(blue_archive), alternate_costume, armpits, asuna_(blue_archive), ball, beach, beachball, bikini, blue_archive, blush, breasts, breasts_apart, choker, cleaning_&_clearing_(blue_archive), cleavage, collarbone, dark-skinned_female, dark_skin, fingernails, halo, highres, innertube, karin_(blue_archive), large_breasts, long_hair, looking_at_viewer, medium_breasts, multiple_girls, nail_polish, navel, outdoors, palm_tree, selfie, shibasoda, sideboob, smile, stomach, string_bikini, swim_ring, swimsuit, toki_(blue_archive), tree, v, very_long_hair, wading