1girl arona_(blue_archive) bangs blue_archive blue_eyes blue_hair blue_shirt blue_sky bow braid broken_wall choker closed_mouth day denken feet_out_of_frame female_child hair_over_one_eye hair_ribbon halo highres long_sleeves looking_at_viewer miniskirt multicolored_hair outdoors pink_hair ribbon sailor_collar school_uniform serafuku shirt short_hair side_braid skirt sky smile solo standing two-tone_hair white_bow white_choker white_ribbon white_sailor_collar white_skirt