Sad Ferris Wheel

A girl once said to Shen Xiaoyou that it is said that every box in the Ferris wheel is filled with happiness. Looking up at the Ferris wheel is looking up at happiness. However, looking up at the Ferris wheel, he lost the happiness he should have had. The little girl named Deng Xinxue called him brother, but fell in love with him. Cheng Xi, at the age of eighteen, should have bloomed like a flower, but fell quietly. Is it an unfair fate? Or fate?