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"This better be good Starscream," Megatron grumbled, following his second-in-command down the halls of the Iacon archives. It was the day before Primus' great sacrifice that turned him into Cybertron, and Megatron was tremendously busy trying to get everything organized for tomorrow's festival.
The great war between Autobots and Decepticons ended with a truce as both sides came to realize that this fight was futile. All their war ever did was destroy their precious home, causing mass destruction and pain just like sentinel did all those years ago. Tension is still high between opposing factions, but at least they could all come to an agreement and settle their differences during Cybertron's biggest holiday.
Which is why Megatron was both confused and angered by his annoying second-in-command dragging him away from his duties and taking him to the Iacon archives. Megatron originally had his complaints but remained silent as Shockwave and Soundwave agreed to take care of the rest of his paperwork. Both of them had a mischievous smile— which was weird since you couldn't even see either of their intakes.
With a heavy vent, Megatron trudged forward, ignoring Starscream's excuses as they maneuvered throughout the halls of the archives.
"Don't worry Lord Megatron, you will not be disappointed!"
"My patience is thin, we better arrive soon or else you'll be finding my fusion cannon against your temple."
Starscream swallowed the saliva in his intake and quickened his steps. They turned past shelves full of datapads that used to tell tales of the old Primes and navigated through narrow corners. Megatron was about to open his intake again with a final threat until he stopped in his tracks, blinded by the shining lights hanging across the ceiling.
Bulbs of different colors— red, green, blue, and yellow— Megatron found himself disoriented like an Autobot ambush. His optics widened, entranced by the beauty of the lights that shined like stars in the sky. He was so distracted by the magnificent decorations that he didn't realize that Starscream had stopped in his tracks until he was nearly colliding into him. Megatron was quick to recompose himself, hiding a blush from revealing such childish mannerisms. He opened his intake to speak, but once again found himself at a loss of words when he looked past his second-in-command and at what stood before him.
Optimus Prime.
The red mech smiled, dentae proudly displayed and blue optics cycling as a sign of his nerves. Standing in the middle of the room was Optimus Prime, wrapped in tinsel decorations and organic fabric that kept his pedes and servos tightly strung together. A vivid red bow laid on top of his helm with a single piece of paper taped to the side clearly reading two words that had the Decepticon warlord sputtering.
For Megatron xoxo
"W-what is the meaning of this?!" Megatron yelled, trying to sound intimidating but unable to stop his stuttering.
Starscream quickly stepped away to the side, slinking off into the darkness with a wink now that his job was done.
Optimus licked his lips, opening his intake to speak. "Well, I thought I'd give you your Primus Day present a little early. Do you like it?"
On the day of Primus' sacrifice, a recent tradition had been introduced where mechs and femmes gift each other presents signifying good faith and love for the day in which their beautiful world was created. It was still a fairly new tradition, and most bots used it as an excuse to gift their conjunx a present of their infinite love. Megatron wasn't expecting any presents, especially since who would love the cold-hearted leader of the Decepticons who almost destroyed Cybertron itself.
Yet, Optimus always knew how to keep him on his pedes.
Megatron opened and shut his lips several times, unable to even sputter static. He stepped forward, ignoring Optimus' blinding smile and wrapped his servos over the Prime's hips. The fabric did well in accentuating the depth of his small waist, showing just how deep his frame dipped inwards before it curved into those voluptuous hips.
Truly a son of Primus to have the frame of a carrier.
"You can unwrap your present," Optimus said, voice laced with a teasing tone. He wiggled his eyebrow plates at Megatron who rolled his crimson optics.
"You're so annoying."
"And you're taking forever. Hurry up and get me out of this, I have one more thing I want to show you."
The tinsel was wrapped around him with little restraint, and Megatron knew Optimus had more than enough strength to escape such flimsy material, but maybe it was the act of undoing Prime that was the treat itself.
Megatron definitely took his time, scrapping his nails across the seams of his hip plating and pressing a hard digit over his shoulder joints where Optimus constantly complained of a loose screw. Either way, he made sure to take his time slowly releasing Optimus of his confines, earning himself with a few whines and breathy moans that eventually had the Prime shuddering. Megatron finally smiled back, lips curled up mischievously as he tossed away the decorations while keeping Optimus steady on his pedes.
"Tease."
"I do my best."
The couple chuckle, frames quickly melding into each other's touch. Servos and legs slot against each other, moving with such familiarity that it would be impossible to tell where one bot starts and another ends.
Optimus is first to interrupt the comfortable silence— as he always does.
"So, did you want to see the second part of your present?"
"I hope it's way better than the first part."
"Hey, I'll have you know anyone would be absolutely thrilled to have me as their present. Look at me— dashing good looks, vivid blue optics and the leader of Cybertron!"
Megatron interrupts, flicking a digit across Optimus' helm. "I think you mean partial leader? We agreed on dual-leadership, remember?"
"Oh yeah, huh, wonder who agreed on that?"
"Your present Optimus, before I decide to wrap you up again and leave you here to rot."
Optimus stuck his glossa out but proceeded nonetheless. Turning around, he quickly swiped a datapad from a dusty shelf and quickly scrolled through several pages before reaching his goal. His lips faltered between a flat line and a smile, like he was unable to decide the proper expression for this situation. Without a word, he flipped the datapad around, presenting the screen to Megatron who squinted his optics.
It was a black and white image. A vivid light like the image of a star going supernova burned brightly against the middle of the screen. The light was so beautiful, so pure with a blue sheen wrapped around the core. Just outside of the light's radius there was a tinier light, just barely visible but still present. It looked like it was orbiting the larger orb, like a planet to their sun.
Megatron raised a brow, humming as he looked up at Optimus' expectant optics. "It's a…"
"Spark! That in the middle is my spark! I got Ratchet to take an ultrasound and pull up a scan of my internals."
He spoke as if it was the most obvious thing in the world, but Megatron never had any interest in Cybertronian anatomy— also that actually didn't explain anything!
"What is the present exactly? You just wanted to show off your luminous spark or something?"
Optimus shook his helm, smile growing wider across his faceplate, unable to contain the elation for much longer. "It's what's orbiting around my spark," he points to the small light dwarfed by Optimus' spark. "A sparklet."
"A sparklet?"
"The first stages of a sparkling." Optimus' breath stutters, he quickly recomposes himself, holding in the coolant that clings to the rim of his optics. "We're going to have a sparkling, Megatron."
Slowly everything falls into place.
Silence follows, and Optimus worries of his conjunx' response. He gives it a klik. Then two, and then three until he's suddenly grappled by his hips and raised into Megatron's arms as he's spun around like a ragdoll.
"A sparkling, we're having a sparkling!"
Megatron roars excitedly, showing a cacophony of emotions that no one had ever seen on him since before his reign as Megatron. A smile so wide, so full of genuine joy carves across his faceplate, ruby optics brimming with pure excitement. Megatron laughs, pulling Optimus close in his arms and laying his helm across the Prime's chassis. He can hear the gentle thrum of his spark pulsing every few kliks. Orbiting around that beautiful star is a new life born of their own love.
"I'm… So happy."
Optimus smiles along, accepting Megatron's boisterous attitude and wrapping his arms around the warlord. They settle into a comfortable silence, inhaling each other's metallic scent and absorbing their warmth.
"Thank you Optimus."
"Why? We made this sparklet together."
Megatron shakes his helm. He stares back, optics wavering. "Thank you for making me feel… real. After what happened during Sentinel's reign, the war, the tyranny, I felt like everything that made me Cybertronian was slowly disappearing. I resented you for a long time, but no matter the hardships you still held hope for a brighter future. For a future with me."
Optimus can't stop his lips from wobbling. He feels a hard lump against his throat and can only think of one way to resolve the problem.
Leaning in, he captures Megatron's lips in a passionate kiss. Every possible response is simply thrown out the window as the pair bask in each other's warmth, melting into one whole being that can never be dared to be separated ever again.
"I love you Megatron."
"And I love you, Optimus Prime."