Saikyou Onmyouji no Isekai Tenseiki

You can't be happy if you're just strong, even if you're the strongest exorcist in the world. Exorcist Haruyoshi Kuga, called an unrivaled genius, is betrayed by the Imperial Court and about to die. Resolving to be happy in his next life, he uses a secret reincarnation technique he created and…