Sorry if this isn't the right place to ask, but I'm having a hard time finding any images like pic related, specifically with a lot of detail put into drawing the inside of the mouth.
Vore welcome if it comes to that I guess.
you're in luck; esteemed vore artist Karbo makes this something of a specialty. I'll dump a few so you get the idea.
to me this one is slightly terrifying but who knows
>>6769607
>esteemed vore artist Karbo makes this something of a specialty
Karbo: He WILL give you an Oral Fetish!