The doors to the bridge opened, allowing Bones to enter. Jim turned to smile at his friend, his presence was not an uncommon occurrence; however the scowl on his face wasn't common (despite his friend's grumpy exterior, he was soft and cuddly as a teddy bear despite his best efforts to deny it). Jim knew instantly that there must be something wrong with Spock and terribly so for McCoy to come to him in the middle of the shift. Calmly, he stood and gave the conn to Sulu before motioning McCoy to join him in the turbolift. The moment the doors shut, he stopped the lift and turned to his friend, "It must be serious and Spock must be extra stubborn for you to come get me in the middle of shift."
His friend nodded mutely before speaking, "Scheduling has made it next to impossible for you two to see each other for the past three days but Spock has been refusing to eat. Christine brought him some food in his quarters just now and he proceeded to throw the food in the hallway. I came to get you." Jim paled, as he let the turbolift continue so he could go to his partner. The moment the doors opened and he entered the hallway he was hit with his Alphas scent and staggered back into McCoy. "My God, can you not smell it, Bones?" he rasped, "his scent permeates everything."
McCoy's eyes widened as everything clicked into place, "Jim, he's gone into Ponn Farr, I don't know why I didn't think of that before! M'Benga warned me of this before he left. Jim, we have to get you in there and the two of you to Vulcan." As McCoy finished, Spock entered the hallway, let out a ferial growl at seeing his mate standing so close to McCoy. He grabbed Jim, and ground out "He is mine!" before pulling Jim into his quarters and locking the door. Before Jim could respond, Spock had him pushed against the wall, and began grinding against him. Jim became instantly aroused, baring his neck for his mate. Spock started to scent his mate, kissing and nibbling at the omega's gland. Both men groaned loudly, as their arousal grew and they continued to grind against each other, their cocks continuing to expand, begging for release. Spock was on the cusp of breaking the gland and mating when the pounding of McCoy on the door broke through Jim's haze, bringing him to his senses.
Jim gasped and managed to get out of Spock's grip. Jim quickly went to the opposite side of the room, putting Spock's desk between him and his mate. Getting out his comm, he panted to Bones, "Give me two minutes to calm him down before you come in." Speaking to Spock he began to speak in a quiet and firm voice, "K'diwa, you are in the beginnings of Ponn Farr. Please let Bones in here so we can figure out a solution." Spock growled, before throwing a piece of pottery against the wall shattering it. Jim slowly and quietly approached his mate, murmuring, "My love, please, calm yourself." Spock closed his eyes, took several deep steadying breaths before opening his eyes and nodding. "Come in Bones!" Jim yelled.
Leonard slowly entered the room, with his hands up showing the Vulcan he had no intentions on his mate. They slowly sat on the couch, Jim next to Spock and McCoy across from the two of them. McCoy began speaking in a quiet voice, "M'Benga told me that Ponn Farr happens every seven years and is when Vulcans go into heat. He said it is a special time that is not spoken outside of Vulcan circles. He did not break your confidence, and told me no more details than that. He wanted to warn me before he left. How can we help you, Spock?"
Spock took another steadying breath, then turned to his mate. "My Ponn Farr has moved up our timeline to when we will bond and mate in the Vulcan way. It is permanent, and unbreakable once completed. Part of our mating process will include me breaking your gland. I will understand if you do not want to proceed at this time. I can go to Vulcan where they will help me get through this heat. Know this, heat or not, I want to be your mate, never to be parted."
Jim was silent as he took the information, Spock turned to McCoy and said, "It is clear Jim is not ready to bond, can you sedate me until we get to Vulcan?"
"Spock," Jim mournfully said, "you misunderstood my silence. I was trying to figure out how to best word this. As captain, I know mostly what to say and when to say it; however, with you I don't want to screw it up. You are my Alpha, my soulmate. Yes, of course I want to bond with you. Yes, this moves up our timeline but that does not change anything. All it means is that I will need to start birth control, I do not want to be pregnant while being captain of a ship - it would compromise everyone. Do you hear me, K'diwa? I want you and only you. Here is what we will do, McCoy will give us mandatory, medical leave on Vulcan for the next two weeks - since this is our first heat together I want us to have plenty of time. Mr. Scott will become acting Captain." Jim turned to face McCoy, "I know I don't need to say this but obviously all that is said in here is privileged. You may share the information with M'Benga since he is familiar with Spock and his history. While we are gone I need you to work on birth control for me to take for the remaining two and a half years of our mission, work with M'Benga if need be." Jim heaved a sigh before saying, "Did I miss anything? Anyone else have anything to say?"
Spock and McCoy looked at each other before looking at Jim and shaking their heads. McCoy stood up, and quietly said, "I will leave the two of you and begin working on your birth control. Know that I love you both, and will support in any way you need."
Jim stood up, looked to Spock and said, "I am going to give Bones a hug - please don't hurt him or me." He then pulled McCoy into a bone crushing hug, "Thank you, for everything. I know you would say it's your job but I know it's more than that for Spock and me. I know you love us and consider us family. Thank you for helping, words cannot express how much we appreciate you." McCoy simply smiled, too overcome with emotions to say anything, at the young man standing before him. He nodded his head at both Spock and Kirk before leaving to begin working on the birth control.
Jim turned to his Alpha, then slowly sat beside him. "Spock, you're going to have to talk me through this. I don't know how Ponn Farr works but based on what I've seen today you won't have a lot of control over your emotions or sexual urges. I know this makes you uncomfortable but we have to talk about it now, while you're in control, so I can know what to expect and how to help you." Spock sat in silence for several minutes. While Jim watched Spock struggle to form a coherent thought (an odd thing to witness in and of itself), he felt his body respond to his alpha's pheromones, his body preparing itself for his mate. Jim refused to cave into his body's response instead calling on all his training and self control to sit, and wait for Spock.
When Spock finally began to speak, it was in a low quiet tone that forced Jim to sit closer to his mate to listen. "I have not lost control of myself completely, by the time we reach Vulcan in two days my control will start to slip. There is a 94.75% probability I will be able to control myself while T'Pau marries us in the official Vulcan way before completely giving in to the sexual urges. I will have to mate with you several times a day in order to satisfy the Ponn Farr and not perish from its side effects."
Jim blushed at Spock's bluntness but also let out a quiet moan at the thought of finally proceeding with Spock and officially mating. He took a moment to process what Spock had said before taking Spock's hand and entwining their fingers so that Spock could feel what Jim could not convey with his words. "The simple answer Spock is yes, yes to everything you've said. I agree and consent. I will not lie, I am terrifed about the sexual aspect of the relationship since I've never had sex with a man - you saw my conversation with Bones, I don't need to rehash that…" before he could finish his thought Spock drew him onto his lap and gave Jim a searing kiss. Jim sat in stunned silence before he began meeting Spock's ferver, tongue begging for entrance. Spock allowed it, their moans and soft sighs filling the cabin as they continued their battle for dominance. They could have been kissing for minutes or hours, Jim wasn't sure before he let out a gasp as Spock put his mouth on Jim's neck. His tongue darted out to taste Jim's skin and nip at his gland. Jim let out a loud moan as he felt a gush of fluid between his buttocks, a new ache and longing he had never felt before, in a place that was brand new. "Spock! Spock, please let me go!" Jim gasped and pleaded. When Spock did not respond, Jim said in a firmer voice while pushing at his mate, "Spock! Stop!" Slowly, and Jim could tell with great reluctance, Spock pulled away from Jim and put space between the two of them. Panting for a moment, he gathered his thoughts before speaking, "God Spock, I want you so badly! My body is responding to you in ways I didn't know were possible but, and I can't believe I'm saying this, I want to wait till at least tomorrow before you break my gland. I want us to be married. Please tell me you understand."
Spock's pupils were blown wide and his breathing was ragged, "K'diwa, logically I understand you but my body is urging me otherwise. Please, K'diwa, please, I must find a release somehow."
Jim, unused to hearing his logical mate and first officer voicing his passions in such a way, almost came at Spock's utterance. "God, Spock, yes!" Spock moved to straddle his partner, and moaned into Jims mouth as he captured Jims lips once more. Spock ground his hips down against Jim causing a strangled cry from deep inside the younger man's throat as Spock continued to rock against him, causing sparks of pleasure to course over his skin, his cock straining against the fabric of his pants. Spock momentarily removed his lips to take off Jim's golden shirt, pausing a moment to admire his smooth, chiseled chest before leaning back in and kissing the younger man fiercely. His thumbs find Jim's nipples, rubbing and flicking them gently, evoking a moan from the Captain as his hips bucked up once more. "Please Spock," Jim moans as he moves to kiss and suck at the Vulcans neck, "can we please move this to the bed?"
Spock whispers in his ear, "If you are forming coherent sentences, then clearly I'm not doing my job properly." He quickly gets up and takes Jim into his arms, causing the younger man to shout in surprise at the Vulcan's superior strength. Jim clings to the Vulcan as he is carried to his bed. As Spock drops him on the bed, Jim removes the rest of his clothing and Spock quickly follows his lead, pulling Jim in tightly, kissing and savoring every inch of his body.
Spock pushes him back onto the bed and stands back to admire the younger man's body. Jim blushes beet red at Spock's scrutiny, looking away in embarrassment. Spock kneels next to the man and murmurs in his ear, "K'diwa never be embarrassed by your body. I will always desire thee, even when we are old and gray." Jim looks back at Spock with tears in his eyes and brings Spock into a searing kiss. Their lips occupied, Spock's hands find their way back to Jim's nipples to pinch and tease at them some more, earning Spock delicious moans. Spock began to move down, taking a pink nub into his mouth and swirling his tongue around it, his fingers still playing with the other. Jim arched his back into the touch, letting out the most beautiful, erotic moans Spock had ever heard. Spock's lips continued exploring Jim's body, finally reaching the man's cock. Spock leaned back on his haunches as he began to pump Jim's leaking cock, watching Jim's eyes flutter close as Spock worked his hand up and down the man's shaft. As Spock continued to pleasure Jim, he observed the way it strained it in his hand every time he slowed down, it was thick and swollen with need. When he had sufficiently coated the cock and hand in lubricant he moved his hand down, slowly teasing and rubbing Jim's entrance, learning down to suck a light bruise into Jim's neck. A soft mewl escaped Jim's lips when Spock's long elegant fingers slipped into the loosened muscle, slowly pumping the digit in and out, feeling the delicate walls squeeze his finger. Jim bucked against him, begging for more friction as Spock opened him up slowly. Spock gives him no more until he feels the younger man fully relax around him. When he felt the muscle slack a bit, he added a second finger, watching Jim shiver and moan beneath him.
"Spock," Jim begs benagh him, wiggling his hips at the agonizingly slow pace. In a husky voice Spock asks, "Are you alright K'diwa?" He wants to make sure the younger man feels comfortable. He fully understood Jim's urgency, it took all of his Vulcan self control not to ram his engorged cock into Jim's ass but comfort came first. Spock did not want to hurt - or gods above injure- his beloved mate.
Jim nodded rapidly, responding, " I am alright Spock, please shove your cock in my ass." Spock stutters in his motion, unsure if he heard his K'diwa correctly. Jim blushes, and looks away before softly murmuring, "Will you please have sex with me? I wish to join physically." A tinge of green dusts Spocks face, surprised at Jim's boldness but to hear him so boldly ask to be fucked turned the Vulcan on immensely. A smile crosses his face as he leans over his mate and whispers in his ear, "Of course, K'diwa. How could I deny you anything when you ask me so sweetly?"
Spock carefully placed himself over Jim and aligned their hips, grinding their erections together. Both men sighed as their cocks continued to rub against each other. Spock reached down and grasped both of their cocks in his hand. Kirk panted, "Too much Spock! I don't want to cum until your cock is in my ass." Spock shifted himself and began to circle and brush against Jim's entrance. Jim moaned louder and louder with each passing moment that nothing happened, "God Spock! Enough teasing! Fuck me already!" The suspense was killing Jim, and he found himself pushing against Spock, trying to catch him. Spock then entered his K'diwa's tight ass, almost cuming as he did so. Jim's body craved the man's cock but the burn of the slow invasion took his breath away. Spock kept pushing, and it felt like ages for both men, before Spock finally bottomed out.
Spock whispered in his ear, "You must breathe Jim." Jim hadn't realized he was holding his breath, and he forced himself to take a deep breath, relaxing muscles he hadn't realized were tense. Spock remained still and had not moved beyond the initial penetration, waiting for Jim to let him know he was ready. Jim shifted his hips and Spock took the hint. He began pulling out and pushing in at a sedate pace. With each push Spock would change his angle, searching until he found that perfect spot. Then, with one well aimed thrust he pushed into Jim's prostate and Jim was seeing stars. A second thrust had the tip of the Vulcan sinking into a deep place no one had ever touched before and Jim was immediately lost as an orgasm raced through him. Spock did not let him rest, instead setting a demanding pace, grabbing Jim's wrists into his own hands, holding him down as he pounded into him. With each inward stroke Spock would hit that bundle of nerves that would have Jim shivering in pleasure and then slip into that channel that led to his womb, giving him yet another deep jolt of euphoria.
Spock was nearing his end, he could feel it in the tightening of his balls and the swell of his knot. With effort, Spock pushed himself one last time to make sure he was in the perfect position to not waste his seed. His knot inflated, pushing against Jim's prostate causing Jim to scream in pleasure as another orgrasm ripped through him. Spock felt his body go limp as he flooded Jim with his release.
Spock gently rolled them both to the side, so he would not crush Jim during the duration of the tie.
"Spock?" Jim asked sleepily.
"Yes K'diwa?"
"Earlier, I didn't want you to claim me until we were bonded. I've changed my mind. Can you please break my gland? Make me yours."
"Are you sure K'diwa? It can never be undone. You will be forever mine."
"Damnit Spock, yes I'm sure!"
Spock nuzzled at Jim's neck, his knot still firmly in place, and bit firmly down on Jim's gland and instantly noticed the change in Jim's scent. Their individual scents had now commingled and had Spock filling Jim with more of his seed.
Jim moaned as his gland was broken. "Thank you, K'diwa, for claiming me. Thank you for making your omega," Jim murmured before he fell into a deep, contented sleep.