M-preg AU: Childe and Rinne are pregnant with a baby and Childe suddenly goes into labor

Omega Childe is the prince of a country called Ohban, after being seperated from his family Childe was entrusted to Emperor Zhongli and is now the next in line for the throne however that time of year for omegas is approching and since Childe is now of age they need to keep him away from the public. In the neighboring country Ukimenustah, alpha Rinne has decided to run away... What will happen when this alpha-omega pair meet?

Col x Reader