Became an Empress by Accident

I am an immortal body with demonic roots. I was reborn just to change my life. However, I fell in love with a human son. My love lasted for a long time and I was angry with the heavens. After wandering around for a long time, I learned the truth that my life span is not more than 100 years. I accidentally received the Yang Qi of three generations in the human world. After enduring the tribulations of ancient times, I became the empress!