Lu Jiujiu's love at the age of eighteen or nineteen was ordinary, ordinary, maybe not spectacular, but it was not ordinary either. The shackles of the college entrance examination, the romantic longing, the yearning for freedom, the so-called definition of happiness, while struggling in the sea of questions with stars and moons, a ray of warm sun will pry open a crack in the depressing three-point-one-line life, a small attachment to the warm sun, and the warmth of spring flowers.