After being abandoned by the princess of the dragon clan, I transformed into the Demon Emperor and annihilated her entire lineage

Summary

After the Phoenix Prince lost his wife, the Dragon Princess, Aurelia, demanded that I break our sacred marital vows so she could marry him instead.

She tried to soothe me, saying, "Phineas saved my life. I can't stand by and watch the entire realm mock him now."

"Don't worry," she promised, "it's just a fake marriage. You're still the one I love most."

I calmly agreed.

In my past life, I had cried and begged her not to, refusing to break our vows.

Phineas, tormented by accusations that he w