Responses
Have you read this?
http://www.mangago.zone/read-manga/ouchi_e_kaerou_neko_mimi_omegaverse/
Maybe if you are interested in BL with babies I have a list for you! (Both omegaverse and normal stories lool)
http://www.mangago.zone/home/mangalist/940195/
Does anyone know of other omegaverses with the omega already having a child before the alpha? I've already read this one and Kiraide Isasete, I can't remember if I've read anymore other than these two