Cleo's feed

What is going on? What's the purpose of the first chapters wherein it is said that she came from another world if it's going to be like she just tume traveled?? Me is confused, should I just ignore it, wtf huhuhu AND SHE SAID SHE KNEW HOW TO BAKE BECAUSE SHE'S INDEPENDENT ON ANOTHER WORLD AND NOW IT'S BECAUSE OF HER NANNY SRSLY