"You shall merely call me...." the creature hesitated for awhile "The Collector" it replied and the mushroom began to push harder until finally, its swollen head plopped completely inside his anus. Next came a strange sensation, the tip of the mushroom head began to open wide and the displacement of space inside the boy's rectal track began to be manipulated. It slowly displaced and stretched the boy's anal passage by manipulating the air pressure to expand outwards. The effect began where the mushroom head had entered and it slowly started to expand deeper. It became a tentacle made of air which probed deeper until it finally reached a point to where his prostate glands would normally be located. Once it stopped probing, strange particles were discharged in the stretched anal passage which then caused a reaction to the air by making it vibrate and pulsate slowly thus irritating the prostate glands. The pressure and the force caused the boy's body to buckle up and down.
Meanwhile above and outside, the mouth continued to lick and suck on his testicles, savoring the tasty flesh of his virgin skin as it lewdly made squelching puckering high-pitched squealing sounds. Another orifice started to appear on the collector's body and when it opened wider than the other, it revealed several other orifices, each pulsating and worms oozing out of them, One of them extended outwards like puckering lips and when it opened, a long slender pink and greased up fleshy tendril stuck out and moved about like an earthworm as the clear slime was slowly oozing off its tip. It sensed the presence of his cock and slowly made its way towards it. Almost within one centimeter upon making physical contact, the tip of the tendril trailed itself to the base of the boy's shaft and began to slither around it until it finally had a hold on it. What was next to come would have been the most strangest experience for the boy to ever encounter. The single coiling around his cock started to move upwards while it slithered forward. The cocksleeve itself, while appearing to be as thick as a foreskin, was actually somehow part of his cock and when the tentacle stroked slowly upwards, it was literally felt to the touch as a surface of his cock.