After Breaking Up with My Girlfriend, I Became a Demon Saint

ps: This book is a different world, non-hammer and sickle system, democratic alliance system, please do not use reality to set it in.
"I'm sorry, I don't think we are suitable, let's break up."
"You know, there is a big gap between our identities now. I have a better future. I don't want you to delay me."
Zhou Yan's girlfriend awakened the power of the ancestors. The first time she woke up, she broke up with Zhou Yan and broke up the relationship.
Zhou Yan returned home with a complicated heart. On the first night after returning, Zhou Yan dreamed of a four-horned beast with white fur all over his body.
"I am Bai Ze, and I am you."
After waking up, Zhou Yan found that he had become Bai Ze.Become a monster saint.