The story takes place in an ordinary summer of 2016. This year is the beginning of another school year in No. 1 Middle School. Xu Xiayue, a fan of kapok, has a cheerful and lively personality, but here she meets Lin Yimian, a boy who is completely opposite to her personality but also loves kapok. In Jiangpei No. 1 Middle School, the two of them harvested growth and love with their friends, but they also unknowingly headed towards dilemma and abyss...
