As Song Weixue's classmate, Li Yu had no interaction with each other, and they didn't even exchange a few words. But at this time, Li Yu actually found Song Weixue's love letter to him in the drawer.
By chance, Li Yu discovered that Song Weixue's death was not as simple as it seemed.
After going through the cycle again and again, can Li Yu successfully save Song Weixue?
"Hello, let's get to know each other again. My name is Li Yu."
"Hello, Li Yu, I am Song Weixue."
In the endless darkness, you are my only salvation.
Concept: circulation, redemption
