A surprise from behind!

It was a spell Aaralon had prepared earlier in case the Summoning Ritual had gone wrong. Of course, the Summoning Ritual had gone wrong and he'd fallen foul of the demon before being able to cast it... but it wouldn't have mattered, a Doppelganger would have helped against the imp.

The Doppelganger, Aaralon was sure, would be just perfect for now.

The Doppelganger was a magical clone of Aaralon and although it was fully autonomous and capable of independent though it still had plenty of weaknesses. The first weakness was that it wasn't a very good Doppelganger; it looked like a mannequin version of Aaralon, with a rubbery like hue to its skin and without any hair at all. The clone was not as strong as Aaralon and it wasn't nearly as intelligent. The spell wouldn't last more than half an hour either.

As Aaralon pronounced the last word in the concluding sentence - the bulk of the spell had been cast in the morning - the Doppelganger appeared behind Janna.

Naked, the Doppelganger stepped forward, reached around and grabbed Janna's breasts. Aaralon was incredibly horny; Janna's caressing of his cock was driving him wild. This was going to affect the Doppelganger too but he didn't care. The Doppelganger, a naked and hairless copy of Aaralon, rubbed its erect cock against Janna's backside. It squeezed her breasts. This was the distraction that Aaralon had needed.

Janna's magic faltered. Aaralon's body lurched towards the floor as the levitation spell broke apart. He scrambled to control his descent and not fall. One hand reached behind him to the window ledge, looking for something to hold on to, and the other grabbed at Janna's shoulder.

It was no good. Aaralon landed with a thump. At least he didn't knock his head against the wall. "Ouch!" Aaralon exclaimed loudly. At least his dick had slid free from Janna's mouth, he thought, that could have been extremely unpleasant.

Aaralon looked up from the floor, aware that his cock was still erect, that he was sprawled in an extremely **** and exposed position and that a professor had just had his cock in her mouth. Aaralon looked up to see that Janna couldn't care. The top of her lacy underwear had been pushed down by his magical Doppelganger and it was currently pinching the Mistress' perked nipples. From his position on the ground Aaralon could see Janna churn her backside back against the Doppelganger's cock. He could see that she was greatly enjoying his distraction.

How much trouble was he in? What should he do next? Should he command the Doppelganger? Should he pretend it had broken free of his command? Should he stay or go? Oh, how he'd love to have Janna finish the blowjob she seemed ready to tease him with!