From the first time Wei An met Yao, it seemed destined that they would become lifelong friends. Even though the two girls have their own thoughts, they can still play together with the purest smiles. When Yao met Chen, it was a new journey. When we are young, we always like to be suspicious and always think that we are the only one. When we were young, we carefully cherished every friendship, fearing that it would have even the slightest crack. This is the story of two girls, but also the story of a girl and a boy.