Under Lock & Key, chapter 6, page 3 (Patreon)

Who would you like to change your diapers if you broke your arm? 

Story by Peculiar Changeling.

For those wanting to read up on the story, you can read previous chapters here:
https://www.deviantart.com/hofbondage/gallery/63524697/under-lock-and-key

For earlier pages of this chapter, just scroll down the history of this Patreon a little. ^_^