Go Back in Time and Fall in Love

What would you do if you were eighteen again? Li Changge, who returned to his high school graduation party, once again saw Bai Yueguang in his memory and the girl he had hidden deep in his memory. He wanted to sing a song with that girl. If there is still time, he wants to make some money and fall in love. But looking at the system in front of him, he felt that fate was playing a joke on him.