Dreaming of a Butterfly, Forgetting Zhuang Sheng (Season 1)

Zhuang Ziang has been a so-called child of other people's family since he was a child. He is a good student every year and ranks first in the exam. The top spot in the exam has never changed hands. Suddenly one day when he accidentally climbed over the wall, he met a mysterious girl Su Yudie and the love of his life, Bai Yueguang. The girl always disappeared inexplicably. Zhuang Ziang searched hard to find where she had gone, and in the end he discovered that she was his senior sister.