FINAL: Expanding Horizons Part 4 (Patreon)

We have a winner! "Katie is panicked at her friends house studying , not only has she grown more she has swollen with milk and needs help smuggling her and her engorged tits home"

Thanks to all who participated

Bit of a shorter addition this month based on the last suggestion! New parts starts on page 7.
Where is Katie and what's happened to her since she fled? What can Josh possibly do to help? Enter a suggestion as a comment and like other comments to vote! Poll open until the 20th.
Keep in mind any and all suggestions are open! Anything goes in this story: aliens, mole-people, government conspiracies, crazed experiments, Bigfoot!