1girl, arona_(blue_archive), bikini, bikini_skirt, black_bikini, blue_archive, blue_eyes, blue_hair, blush, bow_hairband, colored_inner_hair, cosplay, frilled_bikini, frills, from_side, hairband, halo, leg_up, looking_at_viewer, looking_to_the_side, medium_hair, multicolored_hair, neru_(blue_archive), neru_(blue_archive)_(cosplay), open_mouth, sidelocks, simple_background, solo, standing, standing_on_one_leg, sweatdrop, swimsuit, syhan, white_background