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Harry stopped as he heard the noises of what seemed like a struggle. Years of Auror training had him crouching and muffilng his seteps as he approached his son's door. James had moved out last year and Lily was off visiting her mum, so Harry knew that no one else other than Albus should be in the house. And unless Albus was having a nightmare he shouldn't be struggling with anyone that Harry ddint' know was there.
Creeping up quietly to teh door, he slowly turned the knowb nad opened it on well-oiled hinges. His stealth was abanadononed as his jaw dropped to the floor and the door kept swinging open at the sight that met him. It took him a few seconds to recognize the other party in this ruckus, but even before that his brain had short-circuited.
Scorpius Malfoy looked astonishingly like his father. Harry had met him before, as he knew that the boy and Albus were friends, but now...
Albus cried out again as Scorpius changed his angle and thrust into him harder. They were obviously trying to muffle themselves, but doing a poor job of it. The bed kept makign an ominous creaking noise as they wirthed together upon it, and Harry realized taht this is what he had heard in the hall.
The sound of the door gently knocking against the wall startled all three parties into awareness. Harry flushed bright red as Al and Scorpius's wide eyes trained on him, outlined in the doorway.
All was quiet for a few moments, then Albus nudged Scorpius and the two shared a conversation of expressions, excluding but not ignoring the man frozin in the dorway. Harry feared when they truned mathicng evil grinsg on him.
"Mr. Potter - why don't you joing us?"