From Acquaintance to Stranger

Xu Ming and Luo Xingci were childhood sweethearts. Since elementary school, their classmates thought the two were lovers. Even Xu Ming's grandma called Luo Xingci her daughter-in-law. The relationship between the two was quite good. They often hurt each other, but their relationship was still good. After graduating from elementary school, they were no longer together, and the two began to gradually lose contact... Concept: Regret in youth