Millie's Monstrous Muscles PDF (Patreon)

WARNING THIS STORY CONTAINS: Millie (Helluva Boss) Muscle Growth

WORDS: 3000

Drawing from the power of Stolas's grimoire, Millie ends up turning herself into a muscular, hulking monster.

This story was a commission for Dropvault_Of_Glacier on FA: https://www.furaffinity.net/user/dropvaultofglacier/