Obedient

Jazz's hands slid down the plows on Sentinel's shoulders as he settled snugly on the other mech's lap. His legs straddled and squeezed the Prime's thighs tightly, engine purring contently. Sentinel gave a quiet sound of approval, hands resting on Jazz's hips as he urged him closer. Pleased, Jazz let his hand roam upwards, stroking the wiring of Sentinel's throat. The Prime nipped his fingertips when they passed close enough - but Jazz was not deterred. He continued to venture upwards, grazing over an antennae lightly.

A voice cut through the charged atmosphere. "Jazz. Not yet."

Sentinel gave a groan of disappointment, trying to tilt his head and urge a deeper caress against the sensitive metal.

"Sentinel," Ultra Magnus spoke sternly. "Behave."

The Prime made a weak noise but complied, hands stroking down Jazz's sides distractedly. Jazz held his position, waiting with much more patience than his comrade. Though, he could not repress a soft gasp of pleasure when Sentinel's fingers brushed underneath his bumper. Encouraged by the reaction, Sentinel slipped in even deeper, causing Jazz to groan and arch. It in no way went unnoticed.

"Do you enjoy what Sentinel is doing, Jazz?"

Jazz whimpered quietly, his body jerking. "Yes, sir..."

The tone of Magnus' voice did not change in the slightest. It always remained the same, just like any other order would have sounded. His voice was still firm and powerful - leaving no room for argument. And it gave Jazz chills. "Reward him for it."

Jazz obeyed, leaning forward and pressing their lips together. It was predictable that Sentinel would refuse the human-like affection, and it didn't surprise Jazz when he twisted away to nip at Jazz's throat instead.

Magnus seemed to share Jazz's disapproval of that course of action. "Jazz, you may touch his antennae now."

The first brush of Jazz's fingertips drew out a shuddering moan. Jazz seized the opportunity and pushed his glossa past Sentinel's parted lips. Sentinel jerked in protest, nipping at Jazz's lips and attempting to pull away - but it only took a few firmer strokes against the Prime's antennae to render him utterly compliant.

"His chest plates next, Jazz."

Jazz slid his way down, kissing along Sentinel's neck and chest before pausing to trace the Elite Guard insignia with his glossa. His fingers found the thin seam at the center of the plating and followed it, silently requesting access.

"Sentinel, help him."

Sentinel's body shivered and he complied, the plating shifting loose just enough for Jazz to slip his fingertips inside and part them entirely himself. The Prime's spark was pulsing rapidly, excitedly - and Jazz had no doubt that his own was reacting similarly. Sentinel was shaking with anticipation, hands clenched tightly at Jazz's hips. Jazz let his fingers brush the edge of Sentinel's parted plating, glancing away to regard the mech who was seated away from the berth and watching them intently.

"Do I have permission, sir?" Jazz asked, not missing how Sentinel tensed in response.

Ultra Magnus remained silent for a moment, considering this. Eventually, he rose and approached the pair slowly. One hand rested on Jazz's shoulder, the other on Sentinel's head, its fingertips ghosting over an antennae teasingly. Sentinel whimpered and arched desperately. Almost as if he himself had been given the attention, Jazz felt his spark jump pleasurably in response.

With what felt like painful slowness, Magnus seated himself beside them. Even without being told, both Jazz and Sentinel alike knew to rearrange themselves against the commander's chest, curling obediently in his lap.

"I gave no order to desist," he said.