Much to the surprise and delight of Fon, the clone designated "Homura" by Tsuna was able to learn martial arts...and more importantly everything he learned, he passed on to Tsuna once he returned to the boy's flames. Sort of like a fiery "Shadow Clone" from a popular manga.
Naturally Fon opted to abuse this technique, as he didn't really have much to do with the regular students. He was a close combat instructor, and his classes were for the advanced students only. Namely because of the presence of Kyouya, who would not hesitate to test the younger heroes to insure they took the lessons seriously.
If they could survive him, then it was a fairly good indicator that they were learning something. Especially since Quirks were forbidden unless it could be augmented with martial arts to become more effective, like Tsuna's clones.
So while Tsuna was in class, he allowed Homura out to train under Fon. Then, when regular classes were over, he would drag Deku with him for martial arts lessons.
Izuku's control over his new quirk was highly sporadic. Fortunately a combination of Tai Chi and Qigong was helping him to learn how to control it without damaging himself. Considering how badly injured his body was the first time he used it, and how he nearly blew up his finger during a demonstration, it was a good thing he was learning how to fight without having to rely on his quirk.
Tsuna was mostly thrown at Kyouya, who was all too happy to try and cave the other boy's head in while he assimiliated the training Fon had given Homura while he was in normal class.
He had noticed with some interest that Tsuna tended to learn better in an actual fight, compared to the usual training which had him repeating the moves until they were ingrained in muscle memory.
He could work with that.
Of course the most entertaining part of their training was the bonding moments that were happening between Tsuna and Kyouya. Whenever he called an end to their fighting, Kyouya would allow his cat features out, and silently demand attention. And Tsuna would always oblige with open amusement, unaware of the fact that the act was actually helping the guardian bond he had with Kyouya to grow even stronger.
At this point it was starting to look like Kyouya's status as Cloud Guardian would become permanent by the end of the month.
Fon was rather pleased with the way things had gone. He had never expected finding a Sky, especially at his age, but he had zero complaints about Tsuna.
The teen had been raised outside the general idiocy regarding Sky Flames, so there was a chance he could nudge some true bonds for him rather than have 'acceptable' Elements being shoved on him and claiming they were bonded. Tsuna was already half-way towards a bond with the Sun and Lightning he was friends with from Namimori, and Fon knew of a decent Rain as well. The thought of sharing the teen with his fellow Arcobaleno never crossed his mind at all... he was quite possessive and he worried introducing the boy to them would somehow ruin his fun.
Besides, he wouldn't inflict Reborn on anyone, especially since Tsuna already had a potential Sun Guardian in mind.
All Might was rather pleased with the change in his grandson. The bitterness he held was quickly disappearing, though he retained his sarcastic and blunt personality.
Some time later...
Today was All Might's first class with the students, including Tsuna. It was also the first time they were allowed to wear their chosen "Hero" uniform, which had been made to their specifications and the information known about their unique powers.
For instance, the second Tsuna's quirk was allowed to manifest, all his clothing was promptly made fireproof. Tsuna hadn't overly minded the fact his entire wardrobe had been switched out...most of his clothes were overdue a replacement, and his mother never bothered to give him enough allowance to buy new clothes anyway. She only ever did clothes shopping once or twice a year and he had to make due.
Tsuna's hero costume looked like a mixture of special forces gear (it was the vest and camo) and old-school shinobi wear (mainly the mesh and pants).
Since he did have shinobi training, albeit ridiculously modernized, Fon decided to give him proper training. Tsuna could now throw kunai, shuriken and even senbon with far better accuracy, and his climbing skills had only improved with the addition of the special claws Fon was able to get him. He also had an extendable pole, courtesy of his two support specialist friends...it worked much like the famous staff from Journey to the West (or for those too young to read the classic, the power pole from Dragonball.)
(Would not stop his fellow Arcobaleno, particularly Skull, from claiming Fon was secretly a ninja. He brought it on himself really.)
Rather than do anything as cliché as a mask, Tsuna went with a helmet specially designed by Shōichi and Spanner. It gave him a 3-D image of his surroundings along with all sorts of helpful details and visuals...like the location of possible civilians for instance, via tracking their cell phones.
The primary coloration was orange, but it was done in far more tasteful shades so it merely looked like he was on fire. There was the occasional violet trim, but not much. The thing Tsuna liked the most was the combat boots...if he could sneak up on people in those, he could do it to anyone. Besides, sandals were a bit too exposed for his tastes.
Fon had honestly debated introducing Tsuna to Colonello, or that young Rain from Namimori from a samurai family.
He would have to see how things turned out. At the very least, perhaps having a proper Sky would deter Colonello's unfortunate stalking behavior.
The first team up was Izuku and surprisingly Tsuna. They would be playing the part of the heroes. Unfortunately Bakugou was on the villain side.
It was 'unfortunate' because Tsuna had yet to determine what the hell his actual problem was with his childhood friend. He seemed to straddle the line of hero and villain a little too often for his tastes. It was like he was openly offended by the fact Izuku was standing up for himself.
A sudden thought occurred to him.
Was it possible Bakugou was jealous of the fact Izuku no longer needed his protection? Or was he just a tsundere with a hair trigger temper?
It was equally possible that his quirk altered his chemical make-up in his brain, causing an instability. There was simply no way to tell.
Though he was definitely going to ask that tsundere question, if only to throw the 'villain' off.
He was so glad that part of the new helmet had a camera...the expression on the bomber's face was absolutely hysterical.
Izuku looked like he was torn between laughing and looking rather speculative.
On the plus side, it definitely distracted the other long enough for Tsuna to reach the bomb and 'disable' the other villain.
Fon was visiting a certain sushi restaurant. Kyouya disliked being away from his territory for too long, so he had gone to 'retrieve' him.
Seeing the empty eyes of the young Rain, Fon looked at the boy's father.
"What happened?" he inquired.
Tsuyoshi almost spat in disgust.
"His team happened. The fool acting as coach never even noticed or cared my Takeshi was overdoing it with the training, so when his arm finally had enough and he ended up injured his so-called friends decided to look for a shinier star to follow. I nearly lost him, if not for the Pro Heroes. He's been banned from playing until the psychologist clears him," said Tsuyoshi in anger.
He wasn't sure who he was furious at most...himself for not seeing the pain his son in, or the casual way his 'friends' had dismissed his son when he needed their support most.
Fon looked at the listless way Takeshi went about cleaning up tables.
He took out his phone and sent a text to Tsuna. After a brief conversation with his student, he looked at Tsuyoshi who was still preparing different orders.
"I may know the location of a young Sky the same age as your son, with a position open for a Rain. One that is so far unaffiliated with any of the families, and is not a part of the Anti-Hero League," said Fon seriously. "Would you be interested in seeing if your son would be willing to court him as a possible guardian?"
"At this point I would literally try anything to have my Takeshi back. The boy I have now is little more than a shell of the child I raised," said Tsuyoshi tiredly. "So long as this Sky would treat him right, I would support introducing him."
"If it helps, the Sky in question used to be in the same class as your son until his grandfather discovered how much harassment he was dealing with from all sides and removed him from his mother's custody."
Tsuyoshi paused.
"Would this have happened about a year or so ago?"
Fon nodded.
"I remember him. He was a good kid and he didn't deserve half the things people said about him. Quirkless or not, he was a friendly enough boy."
"Actually he wasn't quirkless at all. Some idiot went and sealed his flames, and by extension forced his quirk to manifest internally while preventing it from working properly," coughed Fon. "If it wasn't for the fact he knew Kyouya would retaliate, I have little doubt in my mind he would have come back and shown quite a few people what he thought of their behavior and comments over the years."
Fon was not exaggerating about that. The only reason Tsuna hadn't made a special 'visit' to his home town was because Kyouya would never have allowed him to go through with half of what he wanted to do, and he didn't want to disappoint his grandfather.
Avoidance was really the only root he could take.
"A seal? What sort of idiot villain seals a child rather than kidnapping them and raising them to be their minion?" said Tsuyoshi incredulous.
"The kind of fool who believes it's acceptable to use a flame seal on an innocent child who just went active," said Fon in disgust.
Tsuyoshi paused for a moment.
"Omerta?" he asked.
"Vindice. I suspect the ones responsible are from a bloodline famiglia. Whoever did it used Flames, but their execution was very sloppy," said Fon.
"Where do you want to introduce them?" asked Tsuyoshi seriously.
"He attends UA as part of the Pro Hero class, so likely next weekend. Both of his friends from Namimori also attend the school, so hopefully something will spark between them," said Fon.
Tsuna vaguely remembered Takeshi Yamamoto, the star of the baseball team. He was one of the select few that did not mock him openly or quietly behind his back about being quirkless.
He had always felt Takeshi's smile was beyond hollow, but because of his general apathy towards the citizens of Namimori and their deliberate blindness to the damage they were doing to him, he had never bothered to call the other boy on it.
Which was probably why he took one look at the false smile Takeshi was sporting, once he spotted where the other teen was and snorted derisively.
"I don't know how you can stand to hold that fake grin on your face all the time. Doesn't it get tiring hiding your real feelings towards those idiots?" he commented blithely.
The look of shock on Takeshi's face held more emotion than Tsuyoshi had seen since the 'incident'.
"Ahahaha... I don't know what you mean!" he said, trying to deflect the truth.
Tsuna stared him down, his amber-colored eyes meeting Takeshi's lost and broken ones without hesitation.
"I'm calling bullshit on that grin. I know you hate those idiots as much as I do, but unlike me you allowed them to lead you on with fake friendships simply because you had no better idea of what to do with yourself and wanted to belong," said Tsuna bluntly. "I take it they dropped you once your star fell?"
Takeshi flinched.
"See, this is why I was beyond happy to move in with my grandfather, despite knowing almost nothing about him," said Tsuna. "At least here no one mocks me because of the fact it took the adults far too long to learn I had a seal on me."
Takeshi blinked.
"A seal?"
"A villain apparently stumbled across Tsuna before his quirk matured enough to manifest, and put a rare seal on him. As a result, his quirk and natural charisma was blocked," explained Fon patiently. "The only reason he hasn't gone back to Namimori to show everyone who mocked him for being 'quirkless' is because he knows his grandfather would never allow it, never mind how Kyouya would react to a lot of repressed rage aimed at the herbivores in his territory."
"What is your quirk?" asked Takeshi, honestly interested.
Tsuyoshi took it as a good sign, because this was the most life he had seen in his son for months.
Takeshi gaped in shock when Tsuna's face scrunched a bit, before a second Tsuna made entirely of fire appeared and leaned on the real one. He looked at Takeshi and waved, before his hands went into a series of funny signs.
Tsuyoshi blinked.
"You know sign language?"
"Homura can't speak normally, though he has tried. Fon's been teaching him various sign languages while Kyouya is done trying to cave my head in during our play fights," shrugged Tsuna. "On the plus side I can now act as an interpreter in three different 'languages'."
"That is so cool! Your flame clone can act on it's own, like the ones from that ninja manga?" said Takeshi enthusiastically.
That was way more impressive than half the quirks his former 'friends' had.
Tsuna brightened at that. It was always nice having Homura complimented, and Takeshi was easily one of the more bearable people from Namimori.
Tsuyoshi didn't bother hiding the sheer relief he felt seeing his son interact with Tsuna. He could already tell a possible Guardian bond was forming between them, because Tsuna honestly did not care about Takeshi's former 'fame' as the Baseball Ace. He was more derisive towards Takeshi's former friends and his coach for missing the fact that his son had been pushing himself too far for people who were not worth it.
It was a pity UA didn't allow for late transfers, but it was still possible for them to move close enough to the school so the bond between his son and his new friend could form properly.
Takeshi would be in good hands.