▁published ▁the ▁series ▁in ▁North ▁America . ▁ ▁The ▁story ▁is ▁about ▁a ▁demon ▁king ▁named ▁S ada o ▁Ma ou ▁seeking ▁to ▁conquer ▁the ▁world ▁of ▁En te ▁Is la , ▁but ▁when ▁confront ed ▁by ▁the ▁Hero ▁Em ilia , ▁he ▁is ▁forced ▁to ▁retre at ▁through ▁a ▁gate ▁that ▁trans ports ▁him ▁to ▁modern ▁day ▁Tokyo , ▁Japan . ▁To ▁surv ive ▁and ▁find ▁a ▁way ▁to ▁return ▁to ▁En te ▁Is la , ▁Sat an ▁g ains ▁part - time ▁employ ment ▁at ▁a ▁fast ▁food ▁restaurant ▁called ▁M g R on ald . ▁There ▁have ▁been ▁two ▁m anga ▁adapt ations ▁published ▁by ▁ASCII ▁Media ▁Works ▁in ▁Den ge ki ▁Da io h ▁and ▁Den ge ki ▁Ma oh . ▁A ▁ 1 3 - ep is ode ▁an ime ▁adaptation ▁produced ▁by ▁White ▁Fox ▁and ▁directed ▁by ▁Na oto ▁H os oda ▁a ired ▁between ▁April ▁and ▁June ▁ 2 0 1 3 . ▁ ▁Plot ▁The ▁Dem on ▁Lord ▁Sat an ▁see ks ▁to ▁conquer ▁the ▁world ▁of ▁En te ▁Is la ▁by ▁an nex ing ▁its ▁four ▁contin ents ▁with ▁the ▁help ▁of ▁his ▁demon ▁gener als ▁Al ci el , ▁Luc ifer , ▁Mal ac oda , ▁and ▁Ad rame le ch . ▁After ▁being ▁confront ed ▁by ▁the ▁hero ▁Em ilia ▁and ▁her ▁compan ions , ▁after ▁they ▁had ▁killed ▁Mal ac oda ▁and ▁Ad rame le ch , ▁Sat an ▁and ▁Al ci el ▁escape ▁the ▁world ▁of ▁En te ▁Is la