Time Difference: Seventeen Years Old Again

When he was seventeen years old, Zhou Xuan had a long dream. When he woke up, the girl at the same table was elbowing him: "Wake up, the teacher is calling you." Her name is Sun Yao. In the last life, they lost contact very early. This time, Zhou Xuan decided not to miss it again. But just when he thought he could finally start over again, a name suddenly broke into his life - Nan Zhihan. The person he loved and lost in his previous life. If fate gives you a second chance, will you choose to make up for your regrets or start over?