"Deception, Conception 3"
It felt as though an hour passed of Sherlock writhing in Moriarty's lap, legs flung over the arms of the chair as he tried to pull the master criminal deeper inside, Moriarty's hands fused to his thighs as he assisted; and when the knot caught, Sherlock gasped at the pressure locking them together.
"You're mine now," Moriarty hissed, and he bit Sherlock's neck, tipping them both over the edge as the permanent bond seared.
"Y-yes, Alpha," Sherlock said faintly, collapsing against Moriarty's chest, and he shivered as he felt the criminal's seed already catching.
And so the drama builds. Want some more?