The Symbiote - FULLY VOICED FMG STORY! (Gumroad)

A full 12+ minute female muscle growth script completely voiced by a passionate and highly talented voice actress!

In this story, your sister, who has always been lucky, gets hold of a symbiote that binds with her on a genetic level - enhancing her muscles to new levels and granting her superhuman abilities!

Inspired by koopa16's Mark, Holly, and the Symbiote Suit Series

Previews available here: http://wp.me/p6YplT-by