This is a romance novel set in a university. It is both a romance novel and a youthful nostalgia story full of romance. This article intersperses the emotional changes of the male and female protagonists in the two eras through narration and flashbacks. A young man and woman met each other in their youth. They had been ambiguous and missed each other, and they did not dare to confess to each other. Treating love for each other as a secret in their hearts, they are pulled by fate, come together again, and finally understand what love is. This is a story that makes people feel warm and sweet when reading it, with the most affectionate male protagonist and the most doting love.