Yu Chenxi had promised Yu Xin to be his bride when he was a child. But after he moved, Yu Xin could not find him. N years later, Yu Xin transferred to Sakurai High School and accidentally met Shao Junlun, a popular and handsome boy in the school. When everything was getting better, Yu Xin unexpectedly found Yu Chenxi, whom she had been looking for for many years, in school...