The female protagonist Xu Yan has been homeless since she was a child, and was later sold to the male protagonist Xu Cheng's family. However, the male protagonist has already escaped from this place without a trace of warmth. It wasn't until their parents died unexpectedly that the male protagonist Xu Cheng took the female protagonist Xu Yan to their new home. After taking her away from her former home, Xu Cheng vowed to protect Xu Yan forever with his life.
Purpose: To defeat setbacks in life and strive for a better life