Check out the story this image is based on, which follows Matt and Fran who discover a magic collar that allows for insane things to happen.

This image is from Chapter 3 which is available on my Patreon right now, and is focused on Matt who is currently wearing the collar. He has been transformed into a female version of himself, and Fran is making his breasts grow to enormous proportions.

Read the first 2 chapters for free!