The friend she thought left her behind in times of crisis; the enemy she thought saved her from fire and water; what she thought was good was not really good. . . . . . We spent our teenage years in self-righteousness and had no absolute malice. "You have to work hard to be better for the person you like." Du Ruo was already facing separation when he truly understood this sentence, but fortunately it was not too late, everything was still in time. This is a story from ignorance to maturity. Everyone has experienced it, and everyone plays more or less a role. Which one are you? The quiet little white rabbit vs. The handsome boy, the ending is HE.