Rule 34 Dev - 1girl backpack bag braid brown_eyes brown_hair cosplay female_focus gakkou_no_kaidan_(anime) glasses hood hooded_jacket hoshina_tomoko jacket letterman_jacket long_hair randoseru robot_ears serio_(cosplay) serio_(to_heart) single_braid skirt solo to_heart to_heart_(series) yuuki_shin'ichi|5520624876