I'mma do this. I love this hard ass. I don't know why tho.
uwu
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It was a normal day at base. That is until Wheeljack got the idea to piss of Ultra Magnus. This was not going to end well.
At all.
And you could not have been more right.

Wheeljack sped out of base, Magnus right on his tail, he was pissed. And by pissed, I mean like growling pissed. You've never seen the mech act in such ways until today.

They were both gone for several hours until Ultra Magnus pulled into base, looked at you, and motioned for you to follow him as he walked towards his ship.

You followed him with a tiny hint of hesitation, who knows what Wheeljack told him about you. Maybe that you had a huge crush on him, or the one time back on cybertron when you switched his normal grade energon out for high grade energon. Oh boy, neither of those sounded very appealing to you.

Once you reached his ship, and got inside he leaned up against one of the tables, looking you from helm to pede. You were beginning to get uncomfortable with his optics on you. Suddenly, you blurted, "It was not my fault, whatever he said is not true." He chuckled, chuckled! And gave you and adorable little grin. "I have a feeling that this one is true." He pushed off the table and began to slowly walk towards you. "W-what exactly did he tell you?" "Oh, you know this and that, very interesting things about your past. But do you want to know the part that I felt was most interesting?" You nodded your head gingerly, feeling sure you knew what he was going to say. "That apparently, you have a very, large, unavoidable crush on me. And do you want to know something else?" How could it get worse, you thought, but still nodded. Before saying this, he bent down a little bit so that he was optic level with you, and said, "I like you right back."

He backed up a little, as if to see if you would explode or not. You just kind of stared at him, and he stared right back at you.

Without thinking, you stepped forward, now standing in front of him, and leaned up to press your derma to his. He froze up, but then kissed back with full force.

Slowly, as the kiss progressed, he began to back you against the table that was behind him. His large, but skillful servo's, began to roam your frame, finding all of the sensitive spots.

Without warning, he suddenly lifted you onto the table. You instinctively wrapped your legs around his waist when he started to nibble at your neck cables. 

Without your noticing, his servo slipped to your interface panel, gently caressing it. He started palming your panel, causing you to moan quietly. "Open for me Y/N." Ultra Magnus commanded. "Yes Commander." You said breathily as you allowed your interface panel snap back to reveal you absolutely dripping valve.

Magnus leaned down to kiss you, and when he asked for entrance, you playfully declined. He chuckled lightly into the kiss.

Hmm.

He was okay with it.

That's new.

Slowly, taking your time, you let your servos roam his toned frame. Your servos came to a stop at his hips.

You gave him entrance at the same time your serovs began to grope his interface panel. He groaned into the kiss, letting his panel snap back.

You grasped his spike, it was larger than you had thought it would be, and began stroking it. You would let your servo trail all the way down to the base, and then back to the tip, where you would run a digit tip over the slit at the very tip. You repeated this action several time before you had him almost to his overload.

Then you pulled your servo away, making him whine, which you had no idea he was capable of making such a noise. You looked up at him and chuckled, he frowned at you, and captured you derma in a kiss that took your breath away.

Soon he picked you up and hoisted you on his waist as he carried you to his room. Once there, he pushed a few button's to the right of the door and it opened to reveal a surprisingly messy berthroom.

Magnus gently laid you in the berth, then proceeded to climb atop you and position himself at your entrance.

He slowly pushed in, making sure that he didn't hurt you.

By the time he finally bottomed out, you were practically begging for him to frag you. "Commander, p-please." "All in do time, love." He whispered seductively in your audio. You shuddered at the feeling of his warm vent hitting your sensative audio receptor.

He began thrusting at a moderate pace, gradually increasing his speed, he also increased the strength he used to slam into your needy port.

You were a moaning mess under the strong mech above you as he slammed into you.
Over.
And over.
And over.

And you loved it. You loved the way he filled you oh so perfectly. You just loved him in general.

With the way he was plowing into you, your overload was fast approaching, and by the way Magnus sped up his pace, you guessed he was too.

With a final thrust full of strength, he released his transfluids into you, which triggered your own overload. You moaned his designation as loud as your vocals would allow.

He collapsed on top of you, bracing his arms in the side of your helm to keep from crushing you with his weight. He rolled off, laying next to you. "Round two?" He asked. "Heck ye." You replied, climbing on top on the blue mech.

A surprised look crossed his handsome features as you sunk down on his spike. You started bouncing on his spike quickly, making both of you moan.

After a while of this, you both overloaded at the same time, (something that only happens in fan fiction). You lay atop him, and got comfortable, you had no plans to move from that spot.

~The Dreadful Thing Known As A Morning~

You woke up, cuddled right up next to Ultra Magnus. You looked up to find him already awake. "Good morning." You said, snuggling closer. "Morning to you too beautiful. I really enjoyed last night. Do you think it will be  one time thing?" He asked with uncertainty in his voice. Something you doubted happened often. "I think it will happen very often from now on."

You I felt him smirk as you drifted off back into recharge.

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Okay so I'm, this fun to write.
Im sorry of it was bad, but like, it's almost 4 in the morning. So if it's that bad I'll just re do it, but if not I'll leave it. So um, you know the drill, requests are always open, but it might take a while for me to get to it.
---K!L3R