Manadeshi ni Uragirarete Shinda Ossan Yuusha, Shijou Saikyou no Maou Toshite Ikikaeru

Synopsis:

Fried, the hero, and Lyle, his student, confront the demon lord. Broiled killed the devil ruler after a brutal fight. " This war will come to an end!” Similarly as he was going to polish off the devil master, he is deceived by his understudy who went after from behind. Broiled, who should be dead, awakens close to a devil young lady who calls him the evil presence ruler for reasons unknown. It appears to be that Seared has ascended as the new evil spirit ruler and will currently need to safeguard the demonkind under his order while battling his previous companions.