Yun Zi Qiu an alpha male and you, Xia Yuandan an omega male had a thing back in highschool and one thing led to another and Yuandan fell pregnant

Yundan didn't want to tell Qiu about the child because if he did he'd most likely get marked meaning hed have to depend on Qiu when it came to the heat cycle...Yuandan moved to a new city, there he raised his child, Xia Kangan as his "nephew"

But due to certain circumstances Qui found out about Yuandan's location