Serperior waited in the the branches in an over hanging tree, trying to blend in with the greenery. She had been practicing this technique for weeks and finally she had perfected it now it was only a matter of time until an unsuspecting victim walked underneath. She hadn't eaten for days and was just waiting for the right moment.
You walked along the quiet path with the sun beaming down on your face. Suddenly the Serperior loosens its grip on the branches and drops swiftly onto your shoulders like a coil of rope loosely around your neck. Startled you fall to the ground and as the Serperior tightens its coils around your body. You start to struggle, not that it is of any use.
The Serperior is surprised he was just hoping to catch a Zigzagoon or something not a whole trainer. "But a meal is a meal" she thinks to her self. You wince as she slowly opens her gargantuan maw and unleashes wave after wave of hot, stale breath onto your face. The Serperior wastes no time in shifting your head neatly into her mouth. "No no no no Wait stop" you plead but the Serperior pays no attention to you.
Instead she tightens her coils around you and moves you forward, further into her mouth. Can feel her palatal valve against your face as you are forced into the pulsating throat. Every time you struggle the Serperior tightens her coils around your body, and eventually you decide that it is probably best to let her have her way with you. Upon realizing that you have given up the Serperior loosens her coils allowing you some room but not enough for you to escape. You can feel the powerfully rings of muscle gradually working your head deeper into the Pokemon's long body.
You were so distracted by the throat muscles contracting and relaxing that you did not realize that the Serperior had used her tail to unbutton your shirt and remove your shoes. Then after relieving you of the rest of your clothes she concentrates entirely on swallowing you. As your shoulders pass though into her throat you can feel her tongue exploring your torso.
After getting bored of this the Serperior decides to pick up the pace and uses her coils again to force more of you in to her mouth. But once your waist was nearing the impressive entrance to the gullet the Serperior lets go completely and decides to let her hot slimy throat do the rest of the work. Her warm breath shelters your bare legs from the cold morning air and you can feel her close her mouth gently around your knee's. You realize that if she wanted to kill you she would've bitten you by now. But in the mind of a Serperior there is no connection between swallowing something and killing it, in-fact she actually feels very affectionate towards you.
Now as the throat muscles push you deeper towards Serperior's stomach you can feel the last of your feet being pulled slowly into Serperior's mouth. The huge snake Pokemon now leans back and pauses to feel you slowly sliding down its slick body. Eventually you are squeezed in to a part of the snakes body that gives you some more room but it is also a lot hotter.
The Serperior smiles and gently rests its head on the bulge in its body feeling your squirming inside before slithering back to the base of a tree and beginning to climb up its branches. Then eventually feeling its meal settle a bit retires to its nest in the tree tops, happy and full.