1girl, arona_(blue_archive), bikini, blue_archive, blue_eyes, blue_hair, blush, breasts, frilled_bikini, frills, hair_over_one_eye, long_bangs, looking_at_viewer, multicolored_hair, navel, open_mouth, pink_hair, reia_76, short_hair, simple_background, small_breasts, solo, swimsuit, teeth, tongue, upper_teeth_only, white_background