The Devil Is on the Left and the Angel Is on the Right

After an unlucky lunch one day, the drastic new life came to Ye Shun and her best friend Sitong like a train ticket. Fly, the school's popular prince charming, and his friend Xia Feng, who transformed from a nerd to a dark horse prince, entered their lives. Demons and angels have always been by their side in this precious college memory. However, in this long journey of life, who will accompany them to the end? In this long novel of love, are demons and angels passers-by or protagonists?