VanyFlewinQueen
The Flewins return to the Hotel Transylvania for Mavis and Johnny's wedding, which goes pretty well with Dracula's aproval. But one year after the wedding, Mavis reveals to Drac that she is pregnant and later gives birth to a baby boy whom the couple name Dennis, nicknamed "Denisovich" by Dracula. And not only that, Vanessa also expects a new baby
As Dennis's fifth birthday nears, he has yet to grow his fangs and Drac worries that his grandson might not gain vampire powers. Noticing the potential dangers her son might face living in Transylvania, Mavis starts to consider moving to Johnny's hometown in California in order to give Dennis a more "normal" childhood, much to Drac's disapproval. Besides than Vanessa worries for her own kids' safety since they're powers are still unstable, despite than Allura tells her she's worring to much. Drac tells Johnny, who does not want to leave the hotel either, to bring Mavis to California to visit his parents, Mike and Linda, but to make sure to keep her distracted and not too happy so that she will not move, leaving Drac to "babysit" Dennis. And after they left, Drac goes on a journey with his friends to make Dennis wake up his vampire powers
And alongside him, Allura decides go taking her grandaugthers to teach them use their magic and spend time with them. Will they succed in their plans? Will Mavies reconcider her decition of move from Transylvania?
(I'm doing this book because my friend, @Pinkpurplix, has planned do the first part in the future. And since I'm bored I decided do this part and the third one soon. And just for let you know, this is a past timeline where Opal is born)