Shangguan Zhi originally thought that she would fall in love and get married with her childhood sweetheart Pei Xuan, but after graduating from high school, she expressed her feelings to Pei Xuan and never heard from him again, so she gave up.
But then when Shangguan Zhi left in his sophomore year and was ready to start a new relationship, he came back.
Male protagonist's perspective
He met her during a social gathering and could never forget her. Later, he began to secretly pursue her. Later, he thought he was finally going to win the beauty, and then he learned that the girl he loved had a childhood sweetheart who had been in his heart for many years.
He thought to himself: So what? Isn't it just a bamboo horse?