Sharon's a classy name, Mom.

Dean/Reader + their 3 year old son, Castiel.
Cas isn't an angel, and I haven't figured out yet if hunting exists yet in this.
Part 1- mostly Cas
Part 2- Smutty (Cas is with Uncle Sammy. We don't bang with the baby in the house)
Part 3- Romantic
Part 4- more adorable Cas-ness