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

Chrome was a magician in the hero’s party. He fought the Demon Lord’s army alongside people like Irina, the lover who vowed to marry him in the future, and the hero, Yuno, who was his close friend. They were all close companions. However, that was only in Chrome’s mind. His lover, Irina, became intimate with the hero, Yuno, and Chrome was sacrificed to make the hero stronger. Chrome’s magic powers were snatched away and he was kicked out of the party. Demons surrounded him as he was on the verge of death and he was driven to a corner. At that moment, Chrome awakened to a “darkness” within himself. Amidst his despair, he acquired an unrivaled skill. Now with this skill, he could exact revenge. --- [Webnovel Raw](https://ncode.syosetu.com/n3987fe/)

The hero, Fried, confronts the demon lord with his student, Lyle. Fried killed the demon lord after a ferocious battle. "I'm going to put an end to this war!" Just as he was about to finish off the demon lord, he is betrayed by his student who attacked from behind. Fried, who was supposed to be dead, wakes up next to a demon girl who calls him the demon lord for some reason. It seems that Fried has risen as the new demon lord and will now have to protect the demonkind under his command while fighting his former comrades. ___ - [Webnovel Link](https://ncode.syosetu.com/n0087ep/)