I been thinking for a while what my ideal inflation story/hentai would be, and here's but one idea i've come up with:
>man and woman, both early/mid 20's, rent a motel room on the side of a highway whilst on a roadtrip
>starting to feel very frisky
>incidentally, both have an inflation fetish, it's actually how they met
>they bring an air tank into the room with them
>the man at the front desk is extremely checked out (pun not intended) and doesn't ask any questions
>they get into the room and very quickly take off all their clothes
>the woman inserts the air tank hose exactly where you think and turns it on
>she slowly starts swelling up
>first just the belly, then the boobs and ass
>then her limbs start filling up, along with all the etc.
>she feels like an overfilled beachball and she's loving it
>the man is rock hard watching his girl slowly turn into blimp, which she takes notice of
>then, right as the woman's limbs become so fat she can barely move them, they look each other in the eyes
>the man says "Do it."
>the woman bends down and seals her lips around his cock
>she starts blowing
>holy fuuUUUUCK, it feels like he's getting a blowjob from a hurricane
>the man's belly almost instantly swells to the point where it looks like he's pregnant
>the rest of his body quickly follows suit, ballooning to the point where he's as big as her
>she keeps blowing and blowing, never have to stop and breathe what with the constant flow of air coming into her
>each of them is feeling a sense of euphoria no drug could ever grant them
>the billowing pressure in their bodies is amazing
>they both keep puffing up, until they're both nigh spherical and have completely filled up the room
>the air tank runs out juuuuuuuuust before they burst
>the man cums, it tastes sweet
>then they just sit there, two massive, creaking balloons just letting the sensation sink in
>they giggle and moan to each other playfully, until eventually they both fall asleep
>by morning, they've both deflated back to normal
>they wake up, get dressed, and are back on the road within an hour
>but they're not really thinking about where they're going, they're just counting the seconds until they can have another night like that