Unlike what Jack thought it would feel like, the Geno-Liquid didn't hurt his body, nor cause him any pain it just flowed through his body leaving a cool sensation lingering around his body.
The fact there was no pain allowed Jack to have some idea on what was happening in his body.
He could feel his already slightly inhuman physical abilities transcending themselves and breaking through some kind of limit. This was the limit all humans had that made them hit a plateau when they reached a certain physical condition.
Unlike what usually happens with most Espers during their awakening, Jack didn't feel any kind of feeling to what kind of power he had. Espers with fire abilities would usually feel incredibly hot and ice ability users would usually feel incredibly cold.
But all Jack could feel was the cool sensation and the fact his body kept getting stronger. Weirdly, as the body strengthening continued Jack's body started getting bigger and bigger, from his already tall figure of 198cm he soon reached 210cm causing panic to appear on the Nurses' faces around him.
This expansion of his body wasn't without pain and sweat started to seep out of his skin as Jack grit his teeth to try and get past the pain.
As nurses ran around and started pumping a red and pink looking mush into his body, Jack felt some kind of pressure on his body, like something was trying to compress him.
As soon as he started to feel this pressure, the nurses watched in shock as his body slowly compressed itself back to how he looked before. This process wasn't very comfortable for Jack but he continued to grit his teeth and reminded himself of what he had to pull through for; his precious family.
Much to Jack's suffering, the process of him getting bigger and then compressing that size back down to his original happened 5 more times.
After all of that happened Jack felt all the fibers in his body vibrate as if testing if his body was strong enough to handle his power. Along with the vibration throughout his body, a spark of energy appeared in his head, it circulated between his head and his heart before going around the rest of his body.
Jack wondered what both of these powers were because neither of them gave off any kind of elemental affinity/energy.
The vibration varied quite a bit like it was testing multiple things. Jack thought that it felt less like an awakening of a power and more like a doctor checking if the body of a patient was fine.
At points the vibration felt like it was testing the strength of his body, at other times it felt like it was testing the body's ability to absorb vibrations and it's durability but before long the 'test' was over and a screen next to Jack lit up with green lights with a white tick in the middle of the screen.
As some of the nurses were undoing the restraints on his body, another nurse was reading a piece of paper that came out of the machine next to the screen with the tick on it.
The nurse seemed surprised and took a few glances at the devilishly handsome youth next to her.
The youth in question had a wide smile on his face. Not because he'd seen the results of the ability; he was sure he'd be able to become strong with any kind of ability as long as he used his talents. Nor was it because he actually successfully awoke as an Esper.
No, it was because he'd seen his reflection on a mirror one of the nurses had just brought in.
His plain black eyes and hair were now quite exotic in color. His hair was as white a snow, looking incredibly pure and free of any impurities and his eyes were a blood red seeming to give off an aura of some kind of beast despite looking exactly how human eyes should.
Jack stood up and instantly felt a difference in his body; he weighed way heavier than he did in the past. But after a while, Jack felt something else; power.
It felt like his muscles had more muscle packed into them and his bones had more bone packed into them, in a more understandable way, he felt his body was much denser. Feeling this, Jack found what that compression from earlier was doing, it was making his body stronger by packing more of everything into his body.
Jack knew this wasn't how Geno-Liquid usually strengthened the body, so he was a bit confused but it was known for Geno-Liquid to enhance a person in different ways depending on their power. Some people would get fire-resistant skin and hair, others would get a body which wasn't as badly affected by Electrical attacks as the normal human, Jack guessed his powers needed a strong, durable body to be used.
As he was standing up and walking around trying to get used to his new strength and weight, Jack was interrupted by the nurse reading the piece of paper with what was presumably a list of Jack's ESP Abilities.
Before she started reading, Jack felt the mysterious energy in his body dispersing into his cells and starting to do something. It didn't hurt, but it had the same kind of cool sensation the Geno-Liquid had. Jack could only hope he wouldn't start expanding and then compressing again.
"Nakamura-san, do you wish to know your powers?" Jack was taken out of his stupor at what the energy was doing by the nurse's voice. He nodded to her question and looked at her with his calm, red eyes.
"You have two ESP Abilities Nakamura-san, both of them being quite strong. You gained Superior Vibrokinesis and Superior Somakinesis." She read these with a genuinely awe-filled smile.
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Jack was taken aback by what she just said.
'So I have Vibration Manipulation and Biomass Manipulation? Holy shit!"
Jack immediately broke out in a beam-like smile stunning the nurses surrounding him. He'd be okay if he gained a common ability such as Pyrokinesis or Telekinesis but to gain not one but two strong powers, Jack finally felt he could catch up to those people.
Those people being his now twisted older sisters.
Seeing as Mikasa was 4 years older than him and May was 2 years older than him, they'd both had way longer than him to gain power but despite their potential and their power, they never helped their mother past the bare minimum needed.
One of Jack's mini-objectives was to thoroughly beat his older siblings into realizing their mistakes in not helping their mother and hopefully getting his normal sisters back.
But even with his newly-gained powers, this was much easier said than done.
His older sister May had both Superior Pyrokinesis and Superior Cryokinesis and impressive control over her power. With Jack's current power, he'd most likely not be able to get anywhere near her.
His older sister Mikasa had Superior Body Manipulation and while that was a sub-power of his Superior Biomass Manipulation, she'd pushed her power to its very limits in her pursuit for personal power and glory. Along with her incredible martial arts mastery, she'd probably wipe the floor with Jack in close range.
He may have more talent than either of them but he was still much, much lower than the two of them in power.
Still, Jack continued to smile as he thanked the nurses for doing a good job and not messing up before walking out of the room. He had to return a week later to see if his body was stable and whatnot and to do a few other tests to see if he was fine and adapting to his powers correctly but for now he had to go home and try his powers out.
Most people would stay at the center and do that but Jack wanted to go home and tell his mom about his successful awakening.
After thinking about his now hefty weight, Jack started thinking about how much he now weighed.
Before the change, he weighed around 115kg or 254lbs and now he felt like his weight had increased by about 4 or 5 times so he was around 500kg or 1102lbs which struck Jack like a lightning bolt.
'Well, looks like elevators are off my list forever now...'
His shocking weight would probably be a boon in combat because, for some reason he just could feel the weight, it was like his body still weighed 115kg still. Jack shrugged it off as something to do with Biomass Manipulation and continued on his way home.
10 minutes later~
Jack looked at the house in front of him. It had two floors like any other house and it was of a decent size but the problem wasn't the house but more the neighborhood it was in.
The place they were in was known for the intense gang wars that went on and while murders weren't a common occurrence, they weren't exactly rare either. Jack didn't care however because the gangs never attack him or his family.
The reason? His older sister Mikasa was one of the big gang bosses of the area.
Around the time their father entered his coma, whether to blow off steam or to just help herself gain more power to distract herself, Mikasa started a gang with some of her more violent friends and started getting involved with some of the gang wars at the time.
With her and her friends' impressive powers, they soon made a gang and ever since she'd been climbing in power. By now there was only one gang that could rival her's and they'd come to some kind of peace treaty.
This whole gang thing was one of the reasons he wanted to beat his sister up. She had no regard for anyone but herself and that pissed Jack off in all honesty, so when he was strong enough he'd teach her a lesson and take her gang apart, piece by piece.
Opening the door to the house, Jack saw his older sister May walking down the stairs. He smiled at her and she nodded back at him, not surprised by his appearance change, before walking into the kitchen.
Jack didn't have as much of a problem with May, she may have been lazy but she wasn't going around hurting others instead of helping their mother. He just hoped she'd pull herself out of her shut-in ways and start helping their mom.
He followed his sister into the kitchen because he was quite thirsty and was shocked to see his mom cooking and preparing a lot of snacks and food.
"What are you doing, mom?" Jack was confused, today was one of her rare days off where she'd usually sit in the garden and relax but she was instead throwing her time away making food? The possibility she was making a welcome lunch for him Awakening crossed his mind but he soon wiped it out of his mind because he'd told his mom on multiple occasions to use her rest day for herself.
His mom seemed surprised by his deep and masculine voice and soon turned around with a happy but tired smile on her face.
When she saw his new look, she seemed shocked but at the same time, sad. Jack understood her sadness because she'd often say he looked exactly like his dad with his black eyes and hair and now they were gone, Jack felt slightly selfish for wanting his eyes and hair to change color.
But he didn't regret the change because he felt the same thing when he looked in the mirror; that he looked like his dad and he couldn't bear it in all honesty because it hurt to see a reminder of his dad every day.
"Ah, Jack, your back. I'm just cooking some snacks for Mikasa and her friends. Nevermind that, how did your awakening go? Did you get some good ESP abilities?" Jack's mother showed him why he loved her so much; she was so incredibly selfless.
"It was good, mom, I got two pretty good abilities and I was about to practice them. Where are Mikasa and her friends by the way?" Jack's voice was full of warmth and love when he spoke, with a pinch of pride in telling his mom about his strong abilities.
The only thing that ruined his perfect son image was the slight coldness in his voice when he asked about Mikasa. May picked up on it and looked at Jack worryingly while she was making herself a sandwich. She knew about Jack's anger towards Mikasa and his disappointed towards her, so she knew he was about to do something stupid.
"Oh, they're in the Garden, why do you want to know, Jack?" his mother seemed confused at Jack's sudden interest in Mikasa's whereabouts but didn't pick up on the coldness in her voice due to tiredness.
Jack kissed his mom on the cheek, telling her not to worry before leaving the remark of "I'm just going to test out my abilities." which confused their mom further while May was shocked and put the plate down before quickly trying to follow Jack outside.
'I can't take on Sis, but I've already figured out a few ways to use my powers to take out some of her weaker friends and new recruits to the gang to get my point across.'
Jack saw a big group of girls in the Garden and put on a forced smile as his sister Mikasa saw him.
"Oh, look, guys, it's my little bro Jack!"