2girls, afloat, ahoge, arl, bikini, blue_archive, blue_sky, blush, breast_press, breasts, chibi, cleavage, cloud, collarbone, day, flower, green_eyes, halo, halterneck, hat, hat_flower, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), inflatable_toy, innertube, large_breasts, long_hair, looking_at_viewer, multiple_girls, nonomi_(blue_archive), nonomi_(swimsuit)_(blue_archive), ocean, official_alternate_costume, open_mouth, outdoors, partially_submerged, partially_underwater_shot, pink_hair, ripples, sky, smile, solo_focus, splashing, sun_hat, swimsuit, wading, water, waves, wet, white_bikini, white_headwear, yellow_bikini