The little tsundere Song Liangliang and the smart neighborhood bully Su Qingcheng suddenly turned from a pair of good childhood sweethearts into a pair of happy enemies. They bickered and argued every day. But as they grew older, both of them had their own responsibilities, and Song Liangliang also learned to be tolerant. They gradually became a pair of good friends who talked about everything. She had secret feelings for each other in life. As a girl, Su Qingcheng had already had thoughts about Song Liangliang, but unexpectedly, her peaceful life gradually changed. Qingcheng's father came after her just to take Qingcheng away, but Song Liangliang was obsessed with Lin Xiaoxiao and ignored Qingcheng. Although Qingcheng was despairing, she still chose to stay with her mother. By his side, by Liangliang's side, as Lin Xiaoxiao left with Qingcheng's father, Liangliang's heart also left. Only Qingcheng silently stayed by his side in Qingmo Lane. Gu Zichen's arrival added another change to life, making the stingy Song Liangliang care about Su Qingcheng again. The three of them came to the same university, and Lin Xiaoxiao's unexpected appearance made Song Liangliang ignore him again. Song Liangliang was his childhood sweetheart and his first love at the same time. He chose his first love. At Su Qingcheng's wedding, he finally realized that the only one in his heart was Su Qingcheng. He mustered up the courage to run forward and snatch the marriage, "Qingcheng, are you willing to come with me!" Su Qingcheng: "Why are you leaving!". . .