Hayato spent the rest of the day in a daydream as he thought about how he was going to train in the next 2 weeks.
What he said to All Might was true, he had been feeling more and more in control of his body but weirdly it was only control over his muscles, bones, and blood. Hayato attributed this to the hormones specializing in improving these areas while the rest of the body was nourished a smaller amount.
Hayato went home on his own after school, telling the others he had to think about something. He couldn't figure out how far his control would grow, no matter how much he thought.
When he got home he went down to the training room and sat on a mat with his eyes closed. He focused on his muscles, he could control them like he usually could but now he could even use them like wires of muscle. He whipped a muscle strand around the room at a blistering speed, splitting the air wherever it went.
Hayato was shocked by this level of control. He decided to test out how far he could take it.
He commanded the muscle to wrap around a lightweight. It was around 80kg. The weight wouldn't budge so Hayato sent more muscle wires to wrap around the weight. After summoning the 5 muscle whip and wrapping it around the weight, the weight was lifted but Hayato's head had a splitting pain going through it.
He dropped the weight and retracted all of the muscles back into his body. Opening his eyes he was shocked to find that he was bleeding out of his nose and his eyes felt incredibly sore. When he went over to a mirror, he saw that he'd popped a blood vessel in both of his eyes.
In a hurried manner, Hayato led the R hormone there to heal the broken blood vessels. Soon the vessel was mended but the soreness still pervaded his eyes.
He picked up a towel and wiped the blood off of his nostrils and thought about what caused this.
'I must have pushed my concentration a bit far and pressured my head or something. I'll have to test the waters a bit further.'
Hayato's head still hurt a little bit but he decided to get in a little work out before getting something to eat.
Hayato walked up to the bench press and lay on the bench. He looked to his left at a screen, it had three options. They were: Mother, Father, and Son. Hayato clicked on the Son option and saw the number 5000kg appear. He put his hands on the bar and the bar was set free from the locks keeping it in place.
Hayato felt a slight pressure on his arms, shoulders, and chest but nothing compared to how it usually is. Hayato found this weird but he knew that after his 5th horn appeared, his weight bearing ability and strength had increased quite a lot.
He did a few sets of this and then a few squat sets on a different machine with heavier weights.
Hayato worked out that his strength had increased by about 60% after his new horn appeared. Hayato put the weights down and took his sweaty top off and wiped the sweat off of his body with a towel near him. He stood there and wondered how he should go about his training.
He didn't exactly know at the moment but he had a vague idea, so he decided to think about it tomorrow and went upstairs to get something to eat.
The rest of his day was spent in his room listening to music or talking to his mom about his horns. From his mom's experience, she never grew any horns, and the hormone that came out of her horn increased the body's strength equally.
After this conversation, Hayato went to bed.
In the morning he woke up an hour before he had school, so he just lay in bed. Lying in bed was proving to be boring to an energetic muscle head like Hayato, so he tried to test something. He focused on his blood, his heart, the blood vessels. He felt the beating and tried to control it.
It was hard at first but slowly, his heartbeat starting beating faster. Hayato willed his blood vessels to expand and for his blood to go faster. And surprisingly they complied.
5 days later~
After discovering his uncanny control over his body, Hayato had been practicing with it every day when he wasn't doing combat training with his dad or doing intense weight training. So far he had developed a state where he sent his blood into a frenzy which would improve his strength, sort of like an adrenaline rush. Using it would take away his energy quicker, however.
He'd also found that he could control his bones to a small amount. Mainly strengthening them to take impacts better and be more durable overall. He'd added these to his Muscle Form, which Hayato now called his Battle Form.
All this added together increased his power in his muscle form from 10x his base form to 15x his base form.
And the improvements were still happening. Sadly Hayato could figure out a way to use more than 5 muscle wires but he can now make the muscle wires bigger so they can handle heavier loads. Hayato didn't mind not being able to improve on this as he was mainly a close combat fighter and the muscle wires would work better at long range as capture weapons, hence why they wouldn't suit his fighting style.
Hayato also had to go to the Quirk Registration Center to update his quirk information. It was a big hassle for him. Hours and hours of paperwork didn't suit Hayato's "fight eat train" kind of brain.
Right now he was talking to All Might about his Quirks advancement in his body's control.
"So, you're saying that you're gaining more control over not just your muscles, as usual, but your blood and bones as well?" All Might looked questioningly at Hayato, while Hayato nodded at his question. All Might suddenly stood up and entered his muscle form while he put a hand on Hayato's shoulder "AHAHAHA! That's brilliant, Young Tagami, you're quirk is finally blooming and coming into its growth spurt!" Hayato just looked at All Might with a lost expression on his face.
Seeing his confusion, All Might explained "Well, you see, Tagami, when a person hits a certain age, which is different depending on the person, their quirk will branch off in a new direction. Someone with a Rock Skin quirk could be able to make their skin harder or gain more control over the hardness, even possibly making themselves more pliable and softer giving them more versatility. Your quirk has let you gain control of more parts of your body to further increase your strength." All Might spoke with his usual passion and fervor as he shook Hayato's shoulder's back and forth.
Hearing All Might's explanation made realization dawn on Hayato. Basically, his quirk was mutating to become more powerful. All Might carried on explaining and told Hayato that this time period of quirk mutation and growth would last between 1 year and 3 years. The reason All Might was so happy was that Hayato had hit the special period when he was at U.A so he could make the most out of it.
Hayato finished his chat with All Might and started thinking up an even more intense training regimen. If anyone with a physical augmentation quirk saw his training regimen, they'd pale from fear at how harsh it was. It's the kind of torture you'd expect in hell.
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A week later~
Hayato was running on a specialized treadmill. He had hyper-compressed weights on his wrist and ankles. Each weight weighed 400kg, so altogether he was running with an extra 1600kg on his body, which was the equivalent of running with a car on his back. The more shocking thing was that he was running like they didn't weigh anything at all.
After a quick run on the treadmill, Hayato got off of it and started to wipe off his body. Unknowingly, two pairs of eyes were watching him with red faces.
Those two pairs of eyes could be no one but Toga and Kendo. Most women and girls wouldn't blame them for staring either, because of his quirk Hayato had a perfect body. His muscles were perfectly proportioned and didn't look too bulky nor too lean/thin.
Soon, Hayato noticed the pairs of eyes and covered his body with his arms "What are you two doing here?! Perverts! Help, there are perverts in my house!" Hayato mocked them by yelling like a maiden who was being attacked by some bandits.
Kendo walked up to him with a red face and made her hand bigger and slapped at him. Hayato grabbed her hand and let out a "Kyaah!" sound like a girl and pushed her hand back while he walked over to pick up a shirt from where he usually left them before he started working out.
Putting the top on seemed to ease Toga and Kendo's red faces but Toga refused to look him in the eyes and Kendo would only glare at him.
'Why am I the bad person again?! You guys were the ones who came and peeked at me!'
After lamenting about his unfair situation, Hayato asked them what they were doing here. They had apparently come over to see if Hayato could help them with their combat training. To this proposal, Hayato agreed. He told them that they'd start now and do a bit more tomorrow before resting and going over what they learned over the two days of fighting.
Hayato also wanted to try some new stuff out. His control over his energy had improved by leaps and bounds over the past week and he wanted to see if he could do anything else other than fueling the creation of the hormones and it fueling his body's high metabolism.
They went to the fighting room, which was accessible through a door in the Weights room.
Hayato told Kendo to sit down and Toga to stand opposite him. Toga took out some vials and drank them to activate her Blood Empowerment. Hayato stood still and motioned for Toga to come at him.
She ran at him and swept her left leg towards his stomach. Hayato stepped back slightly and the kick sailed past his stomach, he countered with a light jab at Toga's exposed ribs. "You shouldn't open with a kick. It's easy for your opponent to counter if you miss." as he said that his jab hit her ribs and the air was pushed out of her lungs, she jumped back to get her breath back and plan out a new attack.
Hayato pressed forward and appeared in front of her. It was like he teleported but it was, in fact, a technique he'd developed.
He found out that if he used his body control, he could focus all of his strength onto his feet and explode forward with blinding speed. It could also be used to dodge but his expert body control would probably let him dodge attacks without moving as long as they're below a certain level of power.
In front of the shocked Toga, Hayato started doing basic combos of punches, pushing her to her limits to either dodge or block them. After about 10 minutes of this, Toga was completely worn out by the fight but towards the end, she was showing massive amounts of improvement in her fighting technique.
Next was Kendo and it was mostly the same; Hayato being untouchable and pushing her to her limits.
Time went on like this, with Hayato mentoring them on how to strike better, how to dodge better and how to use their energy better. It also counted as training for him as he had to control the power he used in each of his punches to avoid seriously hurting either of them.
2 days later, Morning~
Hayato woke up and shot out of his bed, he dressed incredibly quickly. He shoveled compressed food pellets into his mouth because of one reason. He was late for the sports festival.
He said goodbye to his mom, who scolded him saying she tried to wake him tens of times earlier but he wouldn't wake. He knew it was because of his training but he didn't tell her, so he could avoid a lecture off of her.
He activated his Battle Form and ran to school, he'd have to wait too long for the train and he could make it in time with his speed anyway. Right now, Hayato didn't care for the laws against using your quirk in public, not like anyone would be able to catch him either.
He arrived at the school and deactivated his Battle Form and walked in past the media. When walking he heard all kinds of whispering.
"Hey, isn't he the kid who beat one of those strong villains at the US? Wow, do you think he'd answer our questions?"
"Woah, he's massive, I can't believe he's a teenager!"
"He looks kinda scary, especially those sharp eyes of his..."
Hayato ignored the people speaking, especially the last one and carried on walking. When he got inside he went to the PE changing room and got into his PE uniform. He went to meet the others in class 1-A.
When he got there they all looked relieved at his appearance, they thought he was gonna miss it.
"Yo, Tagami, where were you, man?" Kirishima spoke as he threw a friendly punch at Hayato's shoulder. Hayato smiled and explained to the others how he'd overslept because of training. The others looked at Hayato, who was scratching his head awkwardly with a wry smile on his face, with deadpan looks. A common thought through all of their heads was:
'He really is a muscle head...'
After this, Hayato leaned against a table and waited for the time when they were gonna be called out to the arena. While he was waiting, Todoroki came up to him. She had a serious face as she looked at Hayato "I feel like you're my only rival here in this class, no school." her words caused Katsuki to twitch like he was about to explode "So I'm going to beat you in this festival. It also helps that you're so close to All Might, my father's rival. We were destined to be rivals, Tagami-kun."
Hayato just looked at her and smiled as he nodded his head. If she wanted a fight, Hayato would give her one.
Todoroki turned around and walked away as the rest of the class looked at her with less than friendly expressions.
Soon after they had to enter the arena. When they were entering Present Mic yelled as he introduced them "Here they come, the Villain fighters from the 1st year, CLASS 1-A!" as he finished his introduction, the crowd screamed and roared their support.
Hayato showed off his confidence and waved at the people in the arena. Even if he did look slightly scary, he was still a handsome boy, his scary looks just added a wild aura to his handsomeness.
The crowd seemed enthralled by Hayato as he really did stand out in 1-A.
Present Mic introduced class 1-B, who surprisingly had Mineta in it, then he introduced the General Classes, Support Classes, and Managment Classes.
All of them walked over to where the teacher telling the events would be. Hayato's eyes nearly burst out of his skull when he saw their years teacher. It was Midnight and she was incredibly beautiful, especially in her hero costume that didn't seem entirely appropriate for someone who teaches 15 and 16 year olds.
Everyone was murmuring about how she should change clothes, while Hayato and Mineta were the only ones who seemed to think she was dressed perfectly.
"Silence everyone!" Midnight spoke to the 1st years as she brandished her whip. Everyone soon shut up and let her carry on talking "Now, for the student pledge, we have Tagami Hayato!"
Hayato wanted to get it over and done with so he walked up to the stand and stood in front of the mic and the seductive teacher. When he was about to talk, Midnight winked at him and his confident face broke and he nearly had a nosebleed.
"A-ahem...I just want to say that I hope everyone tries their best in the festival because I know I'm going to go beyond my limits to win this thing." Hayato's voice started off a bit stuttery because of what Midnight did but as he carried on speaking he became more and more confident and passionate. Every one of the 1st years felt pumped up after hearing what he said.
Hayato walked down from the stand and back over to his class.
"Without further ado, let's get started!" Midnight yelled into the might with a beautiful smile on her face. "The first fateful game of the festival, what could it be?" Everyone felt the tension rising as a screen behind Midnight had a spinning slot machine on it, presumably picking what game the classes would be in first.
After a while, the screen abruptly stopped spinning and showed the classes what they'd be doing.
It had Obstacle Course written across it and Midnight yelled "TA-DA!" as she spread her arms like a saleswoman trying to market something. "All classes will compete in this race. The course is 4km long and is along the outside of the stadium we're in right now! And as long as you don't leave the course you're free to do whatever your heart desires!" as Midnight finished speaking the crowd in the arena started roaring and cheering again.
"Now, students, take your places!"
All the students went over to the gate and got ready to start the race and Hayato was no different. He was incredibly excited to do this and of course, he was aiming for first place.