As he was laying on his massive penis, he feels the blood start to race into his organ. He becomes aroused, only the penis is too big for him to maneuver around. It starts getting harder while he's laying in top of it.
"Oh well" he says "I might as well enjoy this". He wraps his arms around his 2 foot wide dick and starts jerkin' it. Ben groans in ecstasy as his mammoth cock becomes fully aroused. His legs are spread-eagle due to the giant organ sprouting from his groin. Ben continues to use his whole body to jerk himself off. He begins to notice that his penis is looking even bigger! "Is this possible?" he wonders aloud. "Its already 8 feet long!"
Sure enough, Ben's perspective of his newly enlarged organ is changing, but its not his dick that is growing larger. Ben's body is shrinking! "Oh no!' he says "There must be a computer malfunction!" In a matter of minutes, Ben is now so small that he rolls off his dick and is able to stand on the floor with his now tiny feet and legs with this humungous organ jutting out of him.
But that is not all that happens. Ben looks down and notices that his groin is absorbing into his huge man meat. Ben tries to move but his legs start to grow into the base of his cock. "Help!" Ben starts to shout as his lower body becomes all penis. His upper torso sprouts out of his huge organ as he rolls around on the floor. Ben tries to reach his computer....