Yi Yu, who came back from abroad to study, and Gu Xu, were studying in the same school. They were not only classmates, but also deskmates and roommates. Yi Yu's relationship with Gu Xu improved because he saved her life. Gu Xu's mother passed away, and Gu Xu fell into confusion. Finally, Yi Yu took the photo and took Gu Xu out of the fog. Not long after, Yi Yu's psychological shadow came, and Gu Xu led him out of it. They go in both directions and heal each other.
Purpose: Not only were the two boys cured, so were we.