the unknown pregnancy

Explaining

after a while in the same month as Nie Huaisang and Wen Ning's wedding took place Wei Ying was cleaning the house the door busted open and a tired Sizhui walked through the door whining A-Niang!! "I'm so tired from today but I can't sleep in my dorm today can you put me to sleep?" Sizhui asked and Wei Ying looked at him in surprise and thought"he's that tired" but besides the shock he agreed and hummed his sweet son to sleep like he used to when he was a baby and kid at burial mounds which made him smile that his son is still the kind pampered child he used to be but much more well behaved and the two dozed off to sleep and Lan Zhan came back home to find his wife and son sleeping in the cutest position his wife's hand on his son's head knowing that he was hummed to sleep because Sizhui would tell him about how his Wei Ying hummed him to sleep every night.After a while there was a knock at the door, "I wonder who that could be." Wei Ying thought to himself he got up to go answer the door and to his surprise it was-