2girls, arm_up, armpits, beach, bikini, bird, black_bikini, black_bow, black_choker, blue_archive, blue_one-piece_swimsuit, blue_sky, blurry, bokeh, bow, breasts, choker, covered_navel, day, demon_tail, demon_wings, depth_of_field, expressionless, eyewear_on_head, full_body, grey_hair, hair_bow, hair_intakes, hair_over_one_eye, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), holding, holding_innertube, horns, innertube, iori_(blue_archive), iori_(swimsuit)_(blue_archive), long_hair, looking_at_viewer, looking_away, low_wings, multi-strapped_bikini_bottom, multiple_girls, name_tag, navel, official_alternate_costume, one-piece_swimsuit, one_eye_covered, outdoors, palm_tree, pointy_ears, purple_eyes, red_eyes, sandals, school_swimsuit, sky, small_breasts, stomach, sunglasses, sunlight, swimsuit, tail, thigh_strap, tree, twintails, vanta-black, very_long_hair, whistle, whistle_around_neck, white_hair, wings