The two protagonists have family friends with each other, and the two families arranged a baby wedding before the two were born. However, for some reason, the two protagonists have been at each other's throats since they were young, and they have to compete for first place in everything. With their relationship as mortal enemies established, the baby wedding was forgotten.
But... After a high school exam, while watching a movie in class, Ji Yu differentiated from a beta to an omega, and was temporarily tagged by Duan Cheng... The two were discovered by students from the same school during the second tag. In order to avoid being labeled as a forced omega, Ji Yu announced to the public that they were together, which was also said to be the case at the time. From then on, the relationship between the two became a relationship of being a couple to the outside world, but fighting each other internally...
Intention: positive energy