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Tony signed the last of the documents Pepper had put in front of him and sat back in his chair, blowing out a breath. It had been almost a month since the interviews for the new division of SI and production was to start the following Monday. On Tony's order, the weapons manufacturing side of SI had started to become less of an emphasis within the company, in favor of their medical prosthetics, exoskeleton braces, and armor for the military and law enforcement. The personal technology division was gearing up to release the Stark versions of cellular phones and personal computers.

The newly created magical division was going to start researching how to shield electronics from magical interference and different types of energy which might work better with magic. Alternating current was easily shorted out with relatively low levels of magic, leading to most first generation magicals being recognized when they made lights flicker in their homes as young children. MACUSA concentrated on recording those interruptions in the electrical grid in order to identify accidental magic sooner, so it could be explained to their families.

Tony was helping with the exoskeleton designs and he was sitting in on the development meetings for the magical technology. His current personal project was the miniaturization of the arc reactor technology Howard had developed in the aftermath of World War II. He had begun researching and compiling all the data he could on how the technology was developed, along with studying the large reactor prototype Howard had built to power the SI complex. He was able to find blueprints and some rudimentary information on the reactor for the construction crews on file, but they were very simplistic. Tony wanted to find the original research notes his father had made as he developed the technology. While he was sure he could reverse engineer the reactor, Tony knew it would be more accurate to find the original notes.

"Tony?"

Sirius' voice startled Tony from his contemplation and he looked up with a smile, to see Harry's godfather standing in front of him, clad only in sleep pants. "Looking good, dogman."

Snorting, Sirius rolled his eyes. "You lost track of time again, Tones. Come to bed now, so you get some sleep before we leave in the morning."

A yawn overtook him and Tony actually felt his cheeks heat as he shut down the laptop he'd been working on and left it on his desk. He really needed to make something smaller and easier to use, he thought as he followed Sirius up the spiral staircase. His eyes strayed to the swaying hips in front of him and Tony swallowed, hard. The rest of his body was clamoring their agreement in the form of arousal as Tony evaluated his feelings toward the man.

It was easy to believe he was just horny, Tony hadn't done any partying since he'd brought Harry home, and, surprisingly, he hadn't had any desire to. With an active little boy in his life, Tony found he didn't need to dull his senses with alcohol or indulge in his usual one-night stands. The deeper feelings Sirius stirred – feelings Tony had refused to act on all those years ago when he was sure Sirius and Remus were a couple – were harder to shove away now. Lily had privately teased Tony about his playboy persona as she got to know him, deeming him pansexual or "you'd nail anything with an orifice, Tony!"

Knowing he was bisexual even then was different than acting on those urges. Tony had gotten away with some discrete experimenting in college; however, Howard had been a notorious homophobe when Tony was younger. It wasn't until after his parents' death that Tony had included men in his partying, and then only occasional, but each had followed a type: tall, dark hair, light eyes, and a mischievous laugh. And Sirius was the embodiment of that "type", but Tony didn't want to do anything to damage his current relationship with Sirius, so he kept his interest to himself.

Tony disappeared into the bathroom, washing up and changing into sleep pants. Harry was already asleep, sprawled over Tony's pillow. As he turned off the lights, Tony slipped into the bedroom, only to literally run into Sirius at the side of the bed. Only Sirius' hands grabbing him kept him from falling back. A fissure of desire jolted him as he was pulled against a warm chest, Sirius' breathing stirring the hair above his ear. Tony grabbed Sirius' arms to steady himself and he could feel Sirius' hardening cock pressed against his leg as they stood for a moment, neither letting go. Tony felt Sirius' hand slide up to cup his face and held his breath as his chin was tilted up.

"Tony," Sirius breathed warmly.

Warm lips settled over his and Tony was hard pressed not to groan as he was kissed. Not a kiss of lust, but one of sincerity and attraction. Before he could even respond, Sirius was stepping back, knuckle brushing his cheek, before he moving to the other side of the bed.

"Night, Tony."

As Tony laid down, Harry shifted to plaster himself across Tony's chest and sigh in contentment. Tony spent long minutes, wondering as his world had just been tilted once again. Despite his swirling thoughts, Tony actually fell asleep fairly quickly and woke up the next morning with a smile, Harry wrapped around his head again.

The flight to New York went smoothly, Happy and Pepper helping to entertain Harry as Tony worked on his laptop. Taffy had sent them with a basket of food and Myra was there, training a new steward, and kept them supplied with their drinks of choice. Sirius was reading through a list of investments Gringotts had sent them in preparation for their meeting at the bank while they were in the city. After having a snack of apple slices and blueberries, Harry had sat down beside Tony to work on some math worksheets they had gotten for him.

The trip had several purposes, including meeting with the head of the Security Forces of the MACUSA, a meeting at Gringotts, looking over several properties to construct a tower in NYC, and either buying or renting a penthouse to use as their interim residence. While he loved Malibu, Tony was a shrewd businessman and realized he and SI had been relocated by Stane to the West Coast to take them away from the true center of commerce, New York, even though it was where Tony had grown up. Another of Obadiah's long-term plans to take over Stark Industries, Tony had realized.

Stane had disavowed any knowledge of Yaxley, illegal weapons sales, and plots against Tony, Harry, or SI. He was laying low at the moment, having been relieved of all of his official duties, and hanging onto his position on the board of directors by his fingertips. Tony actually shuddered to think of what Obie could have gotten up to if they hadn't discovered the nefarious activities as early as they had. Especially when Tony realized how deeply he'd trusted his father's partner, who encouraged his partying lifestyle and eccentric inventing habits. Tony's technology had taken the company from millions in profits to billions, from a national company to an international one. And all of this before he'd gotten his memories back. He shuddered to think what might have happened if Stane had learned the truth about Harry and his own magic during that period of time.

Now, Tony had put formidable protections in place for everyone in his "family" – several additional Potter house-elves had joined the household and each of them had personal elves whose only duty was to keep them safe. Happy headed a security force of both magical former Aurors and no-maj former military and law enforcement. All had taken an oath or signed NDAs, as Tony was keeping Harry's existence a secret for as long as he could. He didn't want his son to go through a childhood like he'd had – or the one he would likely face in the UK as Dumbledore's proclaimed Boy-Who-Lived. There was already a press release prepared, if it became necessary, clarifying Sirius as his cousin and Harry as Sirius' son.

"Papa? Can you check my paper, please?" Harry pulled Tony out of his thoughts, hand patting Tony's leg.

"Sure, kiddo," Tony told him, reaching over to lift Harry into his lap. "Let's see how you did."

Running his finger down the two columns of problems, one addition and the other subtraction, Tony could see all the answers were right. "A perfect score, baby boy! Do you want something a bit harder?"

Harry nodded eagerly. "And I know my multi'cation and division, too, Papa!"

"Oh? Did Sirius teach you all those, kiddo?"

"What?" Sirius' head pop up from his paperwork, a startled look on his face.

Giggling, Harry shook his head. "No, Papa! Mr. JARVIS taught me!" he chirped.

Tony arched an eyebrow at that and he grabbed a pen, flipping Harry's math paper over. "So, if X=5, what i + 2 equal?"

Harry blinked, "12, Papa."

"Are you teaching your five-year-old algebra, boss?" Happy looked at him with wide eyes as Pepper laughed and shook her head.

"Certainly!" Tony crowed. "My boy is a genius!" He kissed Harry's temple. "Shall we play with more numbers, mini-me?"

"Yes, please!"

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The soaring two-story, five thousand square foot penthouse over looking Central Park had five bedrooms and a view that went on forever. Tony preferred to be in a higher tower in midtown Manhattan, but this would do as a temporary home, even if it was only a fraction of the size of the Malibu house. Tony was going to use one of the bedrooms, cleared out and reinforced by magic, as a preliminary workshop for ideas and minor tinkering. Any fabrication or hands on creating would have to take place at the SI factory site outside of the city. The main office of Stark Industries was about two blocks away and Tony knew it would probably be faster to walk than drive in the famous NYC traffic. He planned to Apparate himself once he became familiar with his office there.

Happy and Pepper were going to share one of the bedrooms which had brought a smirk to Tony's face when his PA announced it. She got to smirk back when he told her he, Sirius, and Harry would share the large master bedroom on the second level, causing Tony to roll his eyes at her. The house-elves would set up their quarters in the bedroom closest to Tony's makeshift lab, and the last bedroom would serve as a guest room in between Rhodey's frequent visits. The neutral color scheme of the penthouse allowed them to add color with furniture and decorations.

A small alcove off the living room, with a wall of glass on the outside, house a baby grand piano, something which always made Tony think of his mother. He had begun to teach Harry how to play in Malibu and was happy to be able to continue those lessons here. The high vaulted ceilings, tall windows, and light walls, with gray throw rugs over pale hardwood gave a feel of spaciousness that made the rooms seem bigger. A private elevator opened into a secure lobby and only a keycard or six-digit pin would key someone into the penthouse itself. The goblins were due over the next day to put up temporary wards and protections for them, including anti-Apparation and anti-Portkey fields.

Tony carried Harry, a blanket covering him, into the private elevator from the limo which was in a gated, private area of the underground garage. He noted the locations of the surveillance cameras around the area and more in the elevator foyer. He knew the cameras in the penthouse were better concealed and planned to have JARVIS monitor all of them, adding an additional layer of security for them. Sirius stayed glued to his side, carrying Tony's leather laptop bag, Pepper and Happy bringing up the rear. Taffy and Tizzy would already be in the penthouse, organizing the rooms and kitchen.

Harry stirred as they walking in from the elevator lobby, pulling at the blanket over his head. "Papa?"

Sirius pulled the blanket away as Tony lifted Harry a little away from him. Harry brought his hands up and rubbed his eyes, before looking around at the new surroundings. "Are we here, Papa?"

Tony laughed as Harry's head swiveled back and forth, trying to take in everything he could. Smothering a laugh, Tony set Harry on his feet.

"Go explore, kiddo, while we organize everything, ok?"

Harry grinned up at him, hugged his leg and trotted towards the far wall which looked down on the park. Taz appeared as his side and took his hand as they peered down at the street below. Tony knew they would be occupied for a while exploring the rooms. Pepper directed Happy back towards the bedrooms with their bags.

Sirius casually pressed against his side as they watched the two exclaiming over the new sights. Tony was hyperaware of the heat he felt from Sirius and leaned into him with a sigh. It was already almost dinner time, having lost eight hours between the flight and the time change. Harry was going to have trouble going to sleep this evening, even though he'd only napped for an hour before they had arrived. While his son was the most an even-tempered child, any out of sorts five-year-old was going to be cranky.

"Come on, Tones," Sirius murmured in his ear. "Taz will take care of Harry, let's go check out the master bedroom."

Tony grinned and took a step away. "Harry, I'm going to show Padfoot the bedroom upstairs."

Harry turned and waved at them as Tony led Sirius up the stairs set against the wall of the living room. The room was accessed through a set of double doors and continued the color scheme from the floor below, white walls, honey colored hardwood floors, and a wall of windows looking directly out onto Central Park. A large rooftop terrace extended out from a set of French doors, with five-foot high tempered glass railing around it. The oversized bed was set against the opposite wall, with a view out towards the terrace and the city. There was a large sitting area with a gas fireplace on one wall. The other wall had two doors, one leading to the dressing room with a walk in closet, and the other into a huge marble and gold bathroom. A large soaker tub would be perfect for Harry to play his bath time ship battles.

Sirius walked toward the wall of windows, the lights of the city coming on as the sun started to disappear behind the skyscrapers. "Damn, Tony, this is amazing! I thought the London townhouse was nice in all its glory, but it doesn't even compare to this."

Tony stepped over to stand beside him. "It's nice and not a bad location – one of the properties I want to look at for the tower is just a few blocks up Park Avenue."

"Sounds like a good location. How high will it be?" Sirius moved closer, one hand reaching out for Tony.

"Uh, ninety-um, ninety-three stories," Tony stammered out as Sirius drew him closer. "Are you sure this arrangement is—"

Tony wasn't sure what to think as Sirius kissed him, softly at first and then progressively more demanding. His thoughts stuttered to a stop and, for the first time in years, Tony just let himself feel. By the time Sirius lifted his head, Tony was hard and panting. He could feel Sirius' response was just as heated and gasped for air as he was held against a firm chest.

"Do you have any idea how long I have wanted to do that?" Sirius' voice was a bit breathless.

Tony huffed a laugh. "I've been fantasizing about it since I was about fourteen."

"You always were precocious, love," Sirius laughed. "You were more like seventeen the first time I lusted after you. Lily was forever teasing me about telling you."

Snickering, Tony leaned his forehead against Sirius'. "That's because she knew I had a huge crush on you."

"She tell you how upset I was over the memory charm plan?" Sirius asked softly. "That I was going to track you down here in New York and court you anyway."

Tony kissed him, his heart clenching as he remembered what happened that fall. "Why did you take off after Pettigrew that night?"

Sirius' arms tightened, but not uncomfortably so. "I don't know. When I arrived at the house in Godric's Hollow and found James, my primary thought was to get Lily and Harry to safety. After—" Sirius stopped and cleared his throat. "After I found Lily, I picked Harry up and made my way out of the house. He was so quiet, in shock I think, his head bleeding and all I could think of was to get him to St. Mungos and then Gringotts to secure guardianship."

"That was when Hagrid showed up and demanded I give Harry to him – because Dumbledore said." Sirius shook his head. "I argued with him for several minutes until he used that phrase, 'Dumbledore said', but once he said it, my whole focus changed. I handed Harry over to him and all I could think about was finding the rat and killing him for his betrayal."

"Compulsion Charm with a keyword," Tony reasoned. "Sounds about right and the bastard sentenced all of us: you, me, and Harry, to four years of misery."

"Thank Merlin, your mum and Lily had the wherewithal to send you the Pensieve!"

Tony smiled. "Yes, remind me to get that from my apartment." He looked at Sirius, who was watching his lips. "Later-"

Tony didn't know you could kiss someone with your whole body, but Sirius was doing just that and Tony couldn't help but moan. Even a pull on his jeans didn't draw them apart.

"Papa, is Uncle Sirius biting you?"

They stepped back from each other, enough for Harry to get in between and lift his arms up. Tony scooped him up and Sirius moved forward until Harry was sandwiched between them.

"No, bambino, he's kissing me."

Harry, his hands braced on Tony's chest looked between them with an assessing eye. "A 'dult kiss? Like Aunt Pepper gives Uncle Happy?"

Tony schooled his face in a serious expression. "Yes, baby, an adult kiss. Is that okay?"

Screwing up his face in thought, Harry seemed to consider the issue for a moment, before nodding his head and wrapping his arms around Tony's neck. "Does this mean Uncle Padfoot could be my real daddy?"

"We'll see, kiddo, we'll see."

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