Not what you thought

Big Hero 6 (2014)
M/M
G
Not what you thought
author
Summary
An alpha is a protector, usually of their chosen beta or omega. But when there isn't a romantic bond to speak of an alpha is an alpha to everyone. Tadashi has a wreckless brother he's trying to keep alive and a sane. How does he have time for a love life if he's got his hands full of Hiro. AN: Not blood related, tadashi lives.AN2: Tags added as the story progresses.AN3: Chapters now labeled when there is mentioned additional relationship (kissing/sex/or otherwise) or referenced former relationships.
Note
Oh look I can't even stay away from omegaverse for long and I'm kinda all over the place with writing. But my mood is my mood and I'll write it as I see fit. Heads up I'm new to the BH6 Fandom, I'm tweaking the characters to fit the dynamics I've created in this AU so there will be differences, and loosely based on the movie plot line so there will be even more differences. Also, Sexless demon refers to the fact Hiro hasn't proven to be any of the secondary genders yet. He is still exclusively ??!male until he hits maturity.
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Expected Surprises

Hiro was lying on the operating table listening to Kaoru talk about his systems, sharing little by little, still oddly protective of his work, but enough that Hiro could piece together what it was and how to make one. He decided to only half listen, wondering how the world just simply didn’t work as fast as he did. Granted he was sure there were still kinks in the design he had in his head, but he was sure that it was at least a prototype ready creation. But he didn’t steal people’s ideas, so he mused about the most efficient power source the thing would need.

Resting his hands over his stomach he opened his mouth, “If you haven’t already considered it in the design, you should make a backup battery on the rare off chance that a power outage happens. It’d be a great security selling point.” The table wasn’t comfortable, but it wasn’t like it needed to be. The people meant to be on it would be out cold and cut open.

Kaoru gave a sigh, “Not necessary, this table will more than likely be plugged in and the hospitals already run on generators. There’s no need for the extra product cost.” Hiro sat up then, looking at him. The guy was certainly attractive, with his short blonde hair that didn’t seem to stay down and eyes bluer than the San Fransokyo Bay. And he always looked at him when he was talking.

“Yeah, but if it happens during a surgery the time lapse for the generators to kick in and the systems to reboot could mean life or death,” Hiro offered up, wondering why such a ‘small cost’ was being refused. Power source was the number one most important design of a machine.

To that Kaoru waved a dismissive hand and offered him a bright smile, “And you should know as well as I do, that the chances of that happening make it not worth considering.” Hiro nodded in agreement. He was right. He had already rolled out the numbers in his head. But Hiro was right too, it was an important risk, low or not, based off the type of creation in question.

But he ceded his point, it was not his creation and his opinion really hadn’t been asked for. Deciding that he was really bored with talking about Kaoru’s work he opted for a change of topic, one he actually liked talking about. “Do you know Tadashi Hamada?”

“Yeah, what about him?” Hiro didn’t miss the undertone of annoyance in that smooth voice. He saw the way Kaoru suddenly busied himself with his system terminal, tanned hands running over the long screen that was monitoring Hiro’s vitals on the side of the table.

“How do you know him?” Tadashi didn’t seem to know him all that well, and he was just curious if they mutually were unknown to each other. As much as he loathed admitting it, even though Tadashi considered him brother, he did not return the sentiment. Blood did not bind them in any way, only experience, and he didn’t seem to understand that it had changed the way he saw him when he had heard the truth.

Tadashi was the single most steady aspect in his life right now. And he wanted him to get to know Kaoru. “We both were talking to the same software designer. That guy is way too hands on for his own good. He extended his project time by months because he wanted to know every aspect of his marshmallow's design.”

Hiro laughed at that. “It does look like a marshmallow doesn’t it?”

“So you know about his project then?” Kaoru was looking at him again, his gaze was surprisingly intense. It made Hiro clear his throat and look away, suddenly finding intense interest in the edge of the table.

“Yeah, he showed it to me and wanted my thoughts on it.” Now that he thought about it he wouldn’t mind turning Baymax on again just to be a free candy dispenser. He’d have to figure out where Tadashi had hidden it, or if it had perished in the fire too.

“So you consult and help people out, huh?” Hiro glanced at him, marveling at the big grin on Kaoru’s face. It unnerved him and made him melt all at once. He felt a hand suddenly on his leg. He didn’t kick him away, against his better judgment.

“Yeah, that thing you helped me name last week was for the construction company. I designed some bots to map out areas and to check the integrity of the ground. Keep people from falling through the floor and hazardous stuff like that.” He looked down at that hand gently rubbing up and down his leg. It was a really nice feeling traveling up his leg.

“You’re smarter than I thought,” Hiro watched, confused as Kaoru took a deep inhale. His brilliant eyes fluttering shut as he sighed, his hand squeezing his leg just a bit more firmly. “Don’t forget my offer.” He added, opening his eyes again.

Hiro gulped as he stared back at Kaoru, unable to look away. He felt like he was naked on the operating table. That any second now someone was going to administer anesthesia and he would be put under for Kaoru to pick apart and inspect. “I’ll be sure to call you if I have an itch that needs scratching.” He chuckled weakly.

Kaoru didn’t know him yet, didn’t understand that he didn’t really do the masturbation and sex thing. Rarely did he get so excited or frustrated that needed to touch himself. His morning woods were dismissed daily. It was a bodily function that if he ignored long enough would go away. And the only thing that attracted Hiro was robots and he didn’t need sex from them. Not that anyone asked him if he was asexual, they were usually too busy telling him to go away for that. But he spectated from his behavior that he was.

“Good.” Kaoru said, and stood up to lean over the table. Hiro was too surprised to move as he was kissed. Soft warm lips were on his, Kaoru’s hands slipping around his waist, his entire body invading Hiro’s personal bubble. He made no argument. Instead his arms went automatically around those broad shoulders, his entire body tilting towards Kaoru’s body heat.

He was jerked towards the edge of the table, his legs automatically snapping around Kaoru’s waist. And in silence he opened his mouth to accept the older man’s tongue. This wasn’t him at all, but he couldn’t stop. He tilted his head finding that it helped deepen the kiss. It felt so good, the heat of Kaoru’s tongue in his mouth, twirling around his own tongue. All the good feelings spread slowly down his neck to his chest. His pulse picking up just a bit as Kaoru pulled away with a sigh.

“You smell so good Hiro. We should go- I don’t intend to fight over you if someone else smells you.” Hiro nodded mechanically, in the back of his mind it clicked what was happening. Kaoru could smell him. The alpha was asking to be taken back to Hiro’s place to fuck him. He didn’t want to have sex, but the idea had latched on like a plague and his mouth opened dumbly.

“You know where I live.” He was jerked off the table. He blinked, trying to clear his thoughts, make his mouth work in tandem with his brain. But instead his legs walked, using the tugs and pushes that Kaoru gave him to guide him. Was this what it felt like to be a robot, processing while something else made the orders that were accepted?

“Damn right I do.” Kaoru growled into his ear, an unnecessary action that Hiro marveled at. The way his hot voice hit him, like lightning whispering into his ear. Explosive and instant, a thrill that made him stumble and curse at his inability to function properly. “Calm down Hiro, you’ve got around an hour still before it really hits you. Keep it together and I’ll help you through it.”

The words sounded innocent. They really did, the arrangement was a kindness clearly showing that Kaoru cared and was helping him. But the way they sounded, like dominance and thinly veiled anger made him wonder how anyone could want this. But his body did and together they left the small lab they had been hanging out in.

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