Doctor Kei (Patreon)

Is an expert at listening to bellies but not much else. Someone suggested using a stethoscope to listen to bellies, and that sounded like a neat idea so I had to do iiiit

And here have some extras of what he might be listening to!

And then the natural progression for all three:

And some more extras, but attached 'cause messy, and here's a sign in case the lil text didn't catch your attention!