After breaking up with my girlfriend, I became a Great Sage of the Demon Clan.

P.S.: This book is set in an alternate world, not a hammer and sickle system, but a democratic confederation system. Please do not apply it to reality.
"I'm sorry, I don't think we're a good match. Let's break up."
"You know, there's a big difference in our status now. I have a better future, and I don't want you to hold me back."
Zhou Yan's girlfriend awakened the power of her ancestors, and the first thing she did was break up with Zhou Yan and end their relationship.
Zhou Yan returned home with mixed feelings. On his first night back home, he dreamed of a four-horned wild beast with white fur all over its body.
"I am Bai Ze, and I am you."
Upon awakening, Zhou Yan discovered he had become Bai Ze, the Great Sage of the Demon Clan.