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It was humiliating, in Nikolai’s mind, how much he enjoyed being on his knees for the Darkling - Aleksander, he corrected himself. That was he was to call him -, how much he enjoyed fitting his cock in his mouth and staying there.
The hand on his hair, gripping tighter every time his teeth lightly scrapped on the shaft, felt good. Nikolai hated that his cock twitched with every little noise Aleksander made, small breathy moans that Nikolai couldn’t think of such dignified, ancient figure, making; even in Nikolai’s wildest fantasies, Aleksander had been a mute figure who treated him like a source of pleasure, a hole to be fucked, instead of an actual sex partner with his own desires and wants.
Somehow, the current situation was hotter than any insomniac late night with a hand down his pants. He couldn’t even touch Aleksander with anything but his mouth; his hands were safely tucked behind his back, tied back with a slip of shadow up to his elbows. Aleksander had sat down after doing so, and had all but said it’s not going to suck itself - his smirk and gesture to his tenting pants had been more than enough.
He had to avoid smiling when the hand on his hair gripped harder. Nikolai looked up, eyelashes clouding his vision, to see Aleksander looking like a mess.
Good. That was a sight he'd love to see again, so he kept going, trying to get all of him into his mouth, licking his cock like the prize it was until Nikolai buried his nose into the dark curls of Aleksander, keeping the entirety of his cock there for a moment to rest.
Rest, of course, didn’t last long. Aleksander tugged at his hair, a silent order, and Nikolai merely obeyed, going back and forth over the length of him.
When Aleksander came, with was with no warning; no, merely a strangled noise, followed by a spurt of hot cum down his throat. Nikolai’s eyes widened in surprise, but he wouldn’t let a drop of it spill from his lips. His own cock, untouched and neglected, had never been harder. He had made Aleksander, the Darkling, the Black Heretic, cum.
When all of it was swallowed, the strong taste still coating his tongue, Nikolai still kept himself with Aleksander’s cock in his mouth, looking up.
“You did well, sobachka.” Aleksander muttered, fingers carding through his hair, and Nikolai hated that it was that small act that finally made him cum.