As Izuku was walking out of school later that day Iida caught up to him saying, "hey Midoriya, I just wanted to apologise for questioning you at the entrance exam. You've clearly put in a lot# of work to be accepted to U.A. and you saw the true test of the exam when you saved Uraraka." While he was talking Izuku realised that he wasn't as scary or mean as he had initially thought but was in fact just super serious.
"Actually I didn't realise anything I just saved her because it was the right thing to do." As he was replying Izuku spotted Uraraka walking up to them and waved.
"Hey, are you guys walking to the station?" the boys then nodded, "Cool, do you want to walk together?"
As they were walking down the street to the train station Uraraka then asked, "hey Izuku, why did that blond boy call you Deku earlier? Is it a nickname or something?"
The smile then fell from Izuku's face as he explained Bakugo's name for him, "oh yeah Katsuki and I used to be childhood friends until he got his quirk and I didn't. He then started calling me Deku because it means useless."
"Oh I'm sorry," Uraraka replied looking a little guilty for bringing it up.
"It's okay, it's not your fault." They then continued on their way home talking about what lessons they have and which pro heroes are teaching them.
The next day after Present Mic's English class everyone is speculating about who's going to be teaching their next lesson 'Hero Basic Training' when the door suddenly slams open followed by a shout of "I am... coming through the door like a normal person!" All Might then appears in the doorway striking a flamboyant pose that is definitely not how a normal person comes through a door. Everyone then begins excitedly chatting about how they are being trained by all might and how cool he is. All Might then makes it to the podium at the front of the class holding a plaque that reads 'Battle Training,' this causes everyone to get more excited with Bakugo grinning maniacally.
"But before we start our training you need to dress the part so you'll need your costumes!" All Might exclaims while clicking a button causing 20 cases to come out the wall, each with a number corresponding to a student in the class.
After everyone has changed into their costumes they're all standing in front of All Might waiting for him to explain the lesson to them when they heard footsteps from behind them, "Sorry, sorry. This was really difficult to get into." Izuku is running up from behind gesturing to his near skintight costume that looks like this:
(This is my illustration so if you like it let me know and I'll try to add more drawings to the story)
"Wow, Izuku your costume looks really cool! I wish I was more specific with my costume description, it's kind of embarrassing," Uraraka says while pointing to her own tight costume making Izuku very glad he put his mask on already so that no one would see his massive blush.
All Might then begins his lesson by explaining that they are doing indoor battle training where everyone will be paired up and be either the hero team tasked with securing a nuclear weapon or capturing the villain team while the Villain team has to either capture the hero team or keep them away from the weapon until the timer runs out. He then stated that the teams will be chosen at random.
"Is that really the best way to choose teams?" Iida asks in his usual robotic way.
Before All Might could answer Izuku interjects with, "Actually Iida if you think about it heroes don't get to choose who they work with when they arrive on a scene, they just have to work with whichever heroes are available no matter which agency they're with. So it makes sense that we're put into random teams."
"Ah, that makes sense. Of course, U.A. would be thinking about our future already," Iida replied.
"Good now that that's out the way lets sort out teams." All Might says, Izuku gets paired up with Uraraka as the Hero team versus Iida and Bakugo.
Izuku and Uraraka are given five minutes to plan while Iida and Bakugo are setting up in the building, Uraraka then turns to Izuku asking, "Have you got a plan Izuku?"
"Yeah I think so, they're probably going to put the weapon on the fourth floor so that it's the furthest away from the ground floor without being easily accessible if we managed to get to the roof. Katsuki is probably going to charge straight for us to prove how much stronger he is than me meaning he will probably leave Iida to guard the bomb alone. So I suggest we either go to the roof and avoid Katsuki completely or if that's not possible then I'll distract Katsuki while you go and get the weapon away from Iida." Izuku then looked up from his mumbling seeing Uraraka staring at him, "did you get all that? I tend to get quite fast when I'm analysing something."
Uraraka then nods her head saying, "yeah I got it, that was just really impressive." She then flashed Izuku a blinding smile, "as for getting us to the roof, I can make us flout but it would probably make me nauseous."
"Okay then, plan B it is," Izuku says in a confident tone.
The timer then started and the hero team quickly searched the first two floors, just to be sure, before beginning to climb the next flight of stairs to the third floor. Izuku and Uraraka then began to sneak along the corridor knowing that Bakugo is probably close by when Izuku quickly tackles Uraraka out of the way of a sizeable explosion from Bakugo.
"Hey, you alright?" Izuku asks while jumping back to his feet facing Bakugo so as to not be an easy target. "Go get to the bomb, radio me if you need help."
Uraraka while beginning to move away from the two boys currently facing down said, "are you sure? You don't need me to help here?"
"No, by the time we managed to take down Katsuki the villains would win anyway. We have to split up."
Meanwhile, the rest of the class are watching on the screens with All Might when Denki Kaminari, a boy with blond hair with a black lightning bolt in it, asked, "All Might is there any sound with this we can't hear what they're saying?"
All Might responded by flipping a switch just in time for everyone to hear Bakugo scream, "Deku, you quirkless bastard!" While charging at Izuku with a large right hook. Izuku then dodges slightly and grabs his upper arm and twists his body round to throw Bakugo over his shoulder slamming the blond onto the ground. Izuku then backs up to avoid the retaliation of Bakugo firing an explosion from his position on the floor.
Bakugo then stood up and with an almost calm expression said "I'll mess you up just enough not to be disqualified." He then sprinted at Izuku and began throwing explosively enhanced punches too fast for Izuku to dodge causing him to block as many hits as possible but slowly having the forearms of his costume burnt through. At this point Uraraka had got to the stairs to the fourth floor, trying to get to the bomb quickly so that Izuku didn't have to fight for too long.
Izuku then tried to go on the offensive by throwing his own punch which was quickly dodged by Bakugo as he fired an explosion to his left to end up flanking Izuku and clocking him right in the jaw, this cause Izuku to fall to the floor. Bakugo then lifted Izuku and flung him into a wall aided by a large explosion. The wall cracked upon impact and Izuku bounced off landing face first on the floor. He slowly rose to his feet, shaking a little as he spoke with a determined tone in his voice, "I'm not going to be your punching bag anymore, Katsuki. My name is not Deku and I am not Useless!" He then sprinted right at his assailant, once close enough he leapt at the blond boy driving his shoulder into his stomach and slamming them onto the ground. Although being winded by the tackle Bakugo managed to kick Izuku off of him sending him down the hallway.
Both boys then got to their feet repeating their earlier standoff with Izuku looking significantly more injured than his opponent. Bakugo then lifted his right arm after hearing a small ding signalling that it was ready. "You already know how my quirk works Deku, but did you know that these gauntlets aren't just for show? They've been storing up my sweat this whole time ready to fire," Bakugo said while cocking back the mechanism on his gauntlet before grabbing the pin ready to fire.
He was then interrupted by All Might shouting, "Bakugo, stop now. That blast will kill him!"
"He won't die if he dodges," Bakugo then pulled the pin firing the blast straight at the other boy. Izuku then made the judgement call that he wouldn't be able to dodge from this distance and instead braced for the impact and put his arms up to guard his face.
Everyone froze in the viewing room as they watched Izuku get enveloped by a raging inferno, the blast being powerful enough to blow a hole in the side of the building. All Might then dashed out of the room heading straight to the test site.
When the smoke cleared everyone saw Izuku still on his feet about an inch from the hole Bakugo created at the end of the corridor. He was swaying quite a lot, barely conscious with the top half of his costume destroyed and burnt away, exposing both his impressive physique and a slew of burn marks both new and old, some of which vaguely resemble a hand shape. Uraraka and Iida bolted down the stairs after feeling the tremor caused by Bakugo's attack and arrived alongside All Might just in time to see Izuku collapse to the floor.
Once Izuku had been taken to Recovery Girl on a stretcher by two small robots the rest of the class regrouped in the viewing room to continue on with the lesson. Every other exercise was completed without anyone nearly killing their opponent, the class then headed back to their classroom ready for the end of the day.
Everyone had been in the classroom for about five minutes, Aizawa had informed them that they had a free period to do what they want so long as they kept the noise down before getting into his sleeping bag for a quick nap when the door opened causing everyone to stop their chatting. Izuku was stood in the doorway thoroughly intimidated by the nineteen sets of eyes that just landed on him. he gave a quick wave exposing his arm covered in bandages while saying, "Hi, guys. How did the rest of the lesson go?" This was quickly met with shouting from the majority of the class.
"Izuku! Are you okay? Your not hurt are you?" shouted Uraraka as she ran up to him to make sure.
"That fight was super manly. The way you took that hit at the end was really cool, I'm not even sure I could have taken a hit like that and stayed standing," was yelled energetically from Kirishima as he threw his fist into the air.
Ashido then spoke up saying, "Yeah! You did pretty well in that fight considering you're quirkless."
"Thanks, yeah I'm fine Recovery Girl healed me up so I'm just a bit tired now," Izuku said as he made his way to his desk ignoring the glare that Bakugo was giving him, he proceeded to spend the class talking to Uraraka and Iida about how the other battles went before being allowed to leave for the day and walking to the station together like yesterday.