“Please Jack…” The words slipped from his lips and Ianto could have bitten his own tongue out when he heard the needy, pleading tone of them. He was vaguely ashamed by how easily Jack could take him to the edge, but the shame was quickly overtaken by his more immediate needs.

Well, need. One need. He needed to come.

Jack, the irritating bastard, was sitting back in his chair as he wanked Ianto off slowly with one hand.

“What was that?” he asked, eyes crinkling as his lips curved in that cocky grin.

Ianto bit his lip and shook his head. Damned if he was going to let Jack realise just how far gone he was. He might have no shame but he still had some pride left.

He’d only come into the office to drop off some paperwork. A second too long leaning over Jack’s shoulder, a whiff of those pheromones and before he knew it, he was leaning back against Jack’s desk with his mouth open and his trousers round his ankles.

The door to Jack’s office was still wide open and anyone could walk right in. Ianto’s inner exhibitionist revelled in the knowledge, even as his more level-headed side prayed that his team-mates knew by now when to keep away.

He looked down to see Jack’s tongue snake out from his mouth and watched avidly as Jack leant in and lapped at the very tip of his cock, eyes locked to his. His stomach muscles clenched as Jack wrapped his lips around the head and began to suck, very, very softly. Ianto moved a hand to Jack’s head, almost involuntarily, as he watched him. Just holding him there, not trying to direct him.

There was nothing in the world like watching Jack Harkness give a blow job. He applied himself to every single one with gusto. Licking, sucking, lapping, even gentle nibbling on occasion. As good as it felt to be on the receiving end, Ianto always thought that the real beauty of it was in being able to watch Jack. Eyes blown in pleasure and a quiet peace around him as he lost himself in his task. His world became reduced down to a heavy weight on his tongue, the ache in his jaw, his nostrils filled with the scent of another man’s arousal. Quite simply, Jack loved sucking cock.

He’d explained it to Ianto once. Well, described would be a better word. He’d described every thing he loved about it to Ianto while Ianto knelt in front of him sucking him off. Ianto had gotten so worked up as Jack had gone into intimate detail that he’d come in his own trousers without even touching himself.

That memory wasn’t helping his composure as Jack began to suck him that little bit harder, drawing more of his length into his mouth. He had to concentrate to stop himself from thrusting his hips and forcing himself into Jack’s mouth. Choking him would bring a speedy halt to the proceedings.

As he felt his climax begin to build, he threw his head back, breaking eye contact with Jack. The firm grip at the base of his cock and the removal of Jack’s mouth had him snapping his head back down instantly.

“Wha…?” he managed, trying to push Jack’s head back towards him, not understanding why Jack was stopping, why he wasn’t letting him come.

Jack looked up at him, lips swollen and pouting and eyes laughing. His free hand reached into his shirt pocket and Ianto groaned as he pulled out a cock ring.

“Should have begged me more,” Jack said, buckling the ring around the base of Ianto’s cock. He pressed a kiss to the tip, before sitting back in his chair, arching an eyebrow.

“That,” said Jack, tapping the ring, “stays on until I say otherwise.”

Ianto looked at him in disbelief, hoping he was joking, brain still foggy with the effect of his aborted orgasm. His lips moved to form the word ‘please’ but no sound came out. Jack couldn’t, he wouldn’t be this cruel.

“Better get yourself tucked away there,” said Jack, standing up and moving to walk past him.

“Oh, and Ianto?” He leant in close and whispered in his ear, “I’ll know if you cheat.”

And with that, Jack was gone, leaving Ianto standing there, gasping, bare from waist to ankle with his hard, red cock bound in a tight leather strap. Pride be damned. The next time he and Jack were together, he was going to beg.

Irritating bastard.