1girl ahoge black_legwear blue_eyes blue_hair cosplay crossover eiyuu_densetsu greatsword hairband holding holding_sword holding_weapon jacket laura_s._arzeid laura_s._arzeid_(cosplay) long_hair neckerchief orie_(under_night_in-birth) phiphi-au-thon school_uniform sen_no_kiseki short_shorts shorts smile standing sunrise_stance sword thighhighs under_night_in-birth weapon