You let gravity act as you fall backward you extended belly round and plump with the wolf inside.

You moan happily and start rubbing it in a blissful manner. This felt great. You smirked a bit as you made an attempt to reach your bellybutton and failed.
You shock yourself as air suddenly and forcibly comes out into a loud audible belch that echos off the walls of the cave, the belch felt rather good to be honest. Your stomach clutched even closer to the Wolf inside. Damn, did that feel good.
You feel your boner starting to come back. You gently push a your belly trying to get the rest of the air out. After very little tampering, your jaw is once again forced wide open by another loud belch, followed by several smaller uncontrollable belches.

You rub your belly, assured that that wolf must now be comfortable.
But then you feel a shuffling within you.
You look lazily down at your belly.
What was going on?

Just then you felt your lower intestines rumble loudly as it raptured a loud hot fart. Then you noticed your stomach starting to make bobbing motions.
Oh. The Wolf must want out.

Well. If he wanted out he was going to have to do most of the work.

Now...

You manage to sit up on your knees to allow the wolf access to get out.
Nonchalantly letting another loud, pleasurable belch rocket out of your throat and another hot wet fart escape your ass, you start to feel pressure coming down on your lower body as the wolf turns around and makes its way back to your rectum.

You feel your stomach starting to bob again as the wolf started making motions downward, you look back, despite your huge outstretched belly.
Shit starts to pucker your asshole and shove the sides of your ass wide open as shitloads start to pour out. Looks like he really is coming back out, you think to yourself

You feel some of the pressure being removed as the wolf starts lapping up the shit on his descend back out. Leaving room for the pressure that his snout created as it approached the rectum.
Your member continues to harden as you feel your rectum starting to pucker as the wolf starts shoving his snout out, still licking at all the shit his tongue could find giving you the best rim job anyone could have ever have. His tongue gets out and starts like the shit that had smeared the outside of your ass, obviously still hungry for more, your moan as he forces his snout completely outside.

Your balls start to pain you just the slightest as you cant reach your rock-hard member to get rid of some cum to calm yourself down.
The snout and head makes its way out comically as you let loose another hot fart, that actually helped the wolf slide down to its neck, the fur rubbing against your insides was driving you crazy how great it felt.

Hoping to move things along you pull on your stomach causing another loud belch, which was accompanied by a rivaling fart, which was caused by the wolf forcing its forepaw out. You feel the wolf turn its head to lick at your ass spread so wide, it received another fart as another forepaw plucked out of the depths.

This was the tough part, getting the wolf's torso out. You manage reach around and grab your buttcheeks and pull them apart, at the same time the wolf looked under and saw your swinging balls, tempted her maneuvered himself and started licking your ballsack. This distracts you, you moan uncontrollably as the warm, wet, sandpaper like feel runs over your balls over and over like it was a treat.

This causes you to fall back by mistake, sending the wolf a bit further back up your ass. Turning a moan into another loud belch. Luckily the wolf pulls forward, in an attempt to get at your long neglected cock. Getting it out to its hips, leaving only the hind-legs and tail inside. The Wolf started licking your cock like it was smeared with peanut butter and his life depended on it.

You find yourself wriggling and moaning loudly with pleasure, trying to prevent yourself from screaming in this pleasure you try to push the wolf's head away. This only causes the wolf to take your head, shaft and balls in his maw in one shift motion. He also grabs a hold of your hips, and you feel his hind legs, pull out of you. What was left of your stomach deflates in a LOUD hot wet fart that in the process also shoves the wolf's tail out.

The wolf is finally out, and giving your a rushing blowjob. Which you finally blow your hot sticky load onto his face. He, of-course, lapped it up happily.