At Bowser's Castle, the Koopa King was in a private room, looking in the mirror. "Junior, are you sure this is necessary?" he says to a figure in the room, until said figure makes themselves known.
That figure shares many physical similarities with Bowser, but he has a red ponytail as opposed to Bowser's spiked hair, small black beady eyes, a more rounded snout, and a single sharp tooth visible in his overbite. He wears a white bandana with a mouth and sharp teeth drawn on it.
"Of course, Dad!" the smaller turtle says as he pulls out a comb and jumps onto his father's shoulders and begins combing his red hair. "You gotta look good when you propose to Mama Peach! Yeah, you've got the Super Star, but when I'm done with you, you're gonna make that star look dull in comparison!"
Bowser chuckles at his son's words, until the door swings open and a Koopa with a blue shell with spikes enters. "WHAT?!" Both Bowsers roar at him, annoyed that their father-son moment was ruined.
"We have found the princess and the green haired human." The blue shelled Koopa says. "He has defeated Donkey Kong and won the Kong army."
"So, like, Peach was super impressed?" Bowser asks, fearing his 'chances' of marrying Peach are further ruined.
"It appears so, yes." The Koopa says, causing Bowser to growl in rage. "They are heading toward the secret passage!"
"Oh, they think they can surprise me, huh?" Bowser says with a grin. "Two can play at that game. Junior!" Bowser Jr. looks at his father. "Get your siblings! You all are dealing with this pest!"
The boy grins as he gives a thumbs up. "Leave it to us, Dad!"
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The heroes and the Kongs are currently driving out of the Jungle Kingdom, along a road built in between two walls of waterfalls. Izuku was mesmerized by the scenery, and happens to notice Peach driving ahead of him as she looks back at him with a smile. Izuku steps on the gas and ends up next to her, not just to get next to her, but also to avoid looking at her… ahem… "peach".
Izuku glances ahead and happens to notice the large approaching ramp, and he then smirks at Peach. "Race ya to the ramp!" he says as he floors it, speeding past Peach. "Oh, you're on!" Peach shouts after him as she speeds after him.
The two overtake each other a few times, before going over the ramp and flying rather high. After a few moments, they landed on the road again, but this road looked to be a literal rainbow! The rest of the army soon follows the two, landing on the Rainbow Road.
Izuku was having the time of his life, and Peach could tell. "Is there anything like this in your world?" she shouts to him, to which he responds. "Not even close! There's nothing like this!"
"What are you gonna tell me next?" Peach asks, even more curious about Izuku's world. "That the turtles aren't evil?"
That thought honestly made Izuku chuckle. "No, no. They're usually pets." he responds, to which Peach definitely didn't expect that. "No way!"
"I'm serious!" Izuku says to her. "You're missing quite a lot back in my world!"
"I may have to visit some time!" Peach says with a giggle. But before they could continue, DK drove up next to them.
"Dude, is this you flirting?" DK says to Izuku with a mocking laugh. "This is painful!"
"I was just trying to be nice!" Izuku snaps back at him, to which DK laughs. "You are so embarrassing! A princess would never go out with you!"
Toad and Toadette drive up next to them on the other side. "Yes, she would! I guarantee she would!" Toad says, to which Toadette adds. "Definitely! She definitely would!"
Suddenly, Izuku noticed something in the rearview mirror that made his eyes widen, and everyone noticed it. "What's wrong with you now?" DK asks, as Izuku looks backwards.
Behind the Kong army, he can see some karts driven by Koopas jumping onto Rainbow Road. At the front was Bowser Jr. in a round white vehicle with a clown face on the front, orange wheels, and exhaust pipes out the back.
And he wasn't the only one in a vehicle like that. There were seven others in karts like that.
The first had tall, blue, spiky hair, a dark green and blue head, blue eyes, two fangs, and a sky blue spiky shell with blue rings around his spikes. This was Larry Koopa.
The second was much bulkier, and had a pink head with his eyes concealed by pink rimmed shades, two fangs, and a purple shell with pink rings around his spikes. This was Roy Koopa.
The third was super small compared to Roy, with multi-colored hair and eyes that never seemed to look straight, in addition to his orange shell with yellow rings around his spikes. He also lacked fangs. This was Lemmy Koopa.
The fourth was the only girl of the group, with a pink polka-dotted bow on her head, large golden bracelets on her arms, a red pearl necklace, and pink high-heeled shoes on her feet, as well as big pink lips in exchange for fangs, blue eyes and a pink shell with gray rings around her spikes. This was Wendy O. Koopa.
The fifth was the tallest of the group, even without including his green hair that stuck up like a plant. He wore black rimmed glasses over his blue eyes, was very thin, had four fangs sticking out of his mouth, and a light green shell with purple rings around his spikes. This was Iggy Koopa.
The sixth was about as bulky as Roy, with a pale-gray head with black hairs on it, small eyes with thin long eyebrows, a gray star painted around his left eye, four fangs, and a gray shell with white rings around his spikes. This was Morton Koopa Jr.
The last had a green head with large blue hair that was slicked back, a single fang in the middle of his mouth, and a blue shell with orange rings around his spikes. This was Ludwig von Koopa.
"It's an ambush!" Izuku shouts as everyone else sees the Koopa army, causing Toad to shout "What?!" "Defensive position!" Cranky Kong shouts to his army.
"Attack!" Bowser Jr. shouts to the Koopas as they drive past them to get the Kongs. "And don't be afraid to take out that green punk!"
The Koopas drive through some of the Kongs, trying to shove them off the road or shooting them with empty shells. A few of the Kongs try to fight back, but the Koopas avoid each of their attacks because of their smaller sizes.
Up in Bowser's fortress, Bowser was watching the chaos through binoculars with a sickening grin.
Diddy Kong, who was near the back, fumbles through his kart until he finds what he was looking for: a pair of wooden logs that were fashioned to look like guns. He turns around as he uses his tail to keep steering his kart, before opening fire on the Koopas and shooting enlarged peanuts at them. The peanuts actually hit some of the Koopas hard enough to knock them out of their karts and send the karts driving off Rainbow Road.
"Nice shootin', kid!" one of the Kongs shouts to Diddy, but that's when one of the Koopas overtakes Diddy and swats his peanut guns out of his hands and onto the road, where they're promptly run over by some other Koopas.
The Koopa then slams his kart into Diddy's, making the little monkey swerve along the road. But that's when the Koopa is punched out of its kart by a Kong that's roughly the same size as Donkey Kong, wearing sunglasses and a red bandana with white spots.
"I got you, little Kong!" the sunglasses wearing Kong says as he then pulls out a banana peel and chucks it backwards. The banana lands on one Koopa's face, blinding him as he panics and swerves all around, causing him to crash into other Koopas.
"Nice one, Funky!" Diddy says as he high-fives the other Kong. But that's when the Koopa with the blue shell drives through the crashed Koopa karts with a monster of a kart that looked ready to demolish everyone. "You're a dead man, green hair!" he shouts.
Izuku could tell this guy was going to be a lot of trouble, so he drove around to the passenger side of Toad's kart. "Toadette! You know how to drive, right?!" "Yeah! Why?!" Toadette shouts back.
"I need you to get to my kart!" he shouts, to which Toadette jumps down into his kart. "Take the wheel! I gotta take care of this real quick!" he says as he unbuckles and stands on the back of his kart, as Toadette quickly jumps in the seat and grabs the wheel, but looking at Izuku like he's crazy. "Are you nuts?!" she shouts to him.
He doesn't answer, before leaping off the kart and landing on his feet, before starting to run. "Izuku!" Peach shouts at him, but he doesn't stop running. He channels One for All and speeds off, kicking up a cloud of rainbow dust.
"What is he doing?!" Donkey Kong shouts, thinking Izuku's lost his mind.
The blue shelled Koopa grins evilly as he gets closer to Diddy and Funky, preparing to crush them both with his massive kart. He chuckles darkly as he gets closer and closer, until a green streak speeds past Funky and Diddy, and the monster of a kart is kicked hard enough to dent it inwards and send the Koopa flying out.
He quickly retreats into his shell and sprouts wings to try and fly away, but that's when Black Whip tightly wraps around his shell. Izuku then hurls the shell at the remaining karts of Koopas behind them, which had all gathered together to try and seem like a bigger target.
But this proved to be a big mistake, because that blue shell ended up hitting all of them, and instead of just knocking the Koopas out of their karts… it actually exploded, destroying the karts, sending the Koopas flying, and even destroying a huge chunk of Rainbow Road!
"Holy crap!" Izuku exclaims, holding onto the back of Funky Kong's kart. He clearly did not expect the blue shell to outright explode. Thankfully the rest of the Kong army had made it past, otherwise they'd have been stranded.
"Nice throw, kid!" Funky Kong says, admittedly impressed by Izuku's quick thinking and how he kicked the kart hard enough to destroy it.
Bowser Jr. and the Koopalings stop just at the other side of the hole in the track. Junior glares at Izuku as he growls.
"If you want something done right…" He then slams on a button in his vehicle. His wheels and exhaust pipes retract, and a propeller takes its place. "... you gotta do it yourself!"
Bowser Jr. then flies over the gap as the Koopalings follow behind with their vehicles also changing to flight modes. Izuku notices them coming.
"Ah, shit." Izuku says as his eyes narrow. "Seems these brats wanna fight too." "The Koopalings?!" Funky Kong exclaims.
Morton pulls out a magic wand and waves it, before swinging it forward. Large spike balls are fired out and fall to the road. Funky and Diddy quickly swerve out of the way to avoid getting crushed, while the spike balls end up breaking small holes into Rainbow Road.
Izuku glares up at the Koopalings as his foot crackles with lightning. Morton throws another spike ball, this one aiming right for Izuku and Funky Kong. But Izuku leaps and meets the spike ball halfway, before kicking it like a soccer ball and sending it flying back.
The Koopalings, in a panic, quickly fly out of the way, but Larry wasn't so lucky. The spike ball hit his Clown Car and destroyed it, sending him falling to Rainbow Road, screaming.
"Larry!" Iggy exclaims as he quickly swoops down and catches Larry. Larry takes a moment to collect himself and then furiously glares at Izuku as he pulls out his own wand. "You're dead, kid!"
"Kid?! I'm 18, you little punk!" Izuku shouts back as One for All channels in his body, before he charges at the Koopalings. Bowser Jr. growls as his Clown Car sprouts a pair of arms with punching gloves on the end. The other Koopalings grab out their own wands, and send out multi-colored fireballs at the hero, as well as spike balls, gold rings and… bouncy balls?
Izuku runs through the flurry of projectiles, then catches a spike ball with Black Whip and swings it at the Koopalings like a wrecking ball. Roy's Clown Car takes the hit, but he leaps out just in time. The shades wearing Koopaling then retreats into his shell and falls onto Rainbow Road, before spinning at high speeds and coming straight at Izuku.
Izuku leaps over the spinning shell, which follows him around. But he notices something speeding to him from behind, and he quickly flips out of the way of Morton's shell, causing him to crash into Roy and send them both crashing.
"Hey, watch it!" Roy snaps at Morton, who fires back. "It was an accident!" Because of their argument, they fail to stop Izuku from grabbing them by the heads and slamming them together, then throwing them away.
Ludwig growls as he hurls a dark blue fireball at Izuku. He flips out of the way, but the fireball seems to have some homing properties. He glares as he continues dodging the fireball, but it serves as a distraction for the other Koopalings to surround him with their wands all aimed at him.
In a flash of light, there was a huge explosion on the track, and everyone on Rainbow Road felt it. Peach looked back in horror, fearing the worst.
At the fight, however, the Koopalings had actually missed because Izuku had jumped out of the way just in time, but was still slightly burnt by the explosion, as shown by his gloves and sleeves being burnt off. Seeing just how dangerous the Koopalings are, Izuku decided to stop messing around.
Before the Koopalings could even react, Morton and Roy felt major pains in their stomachs as Izuku gave them both a strong gut check, before kicking them both in the back of necks, knocking them unconscious.
Iggy sees this and tries to attack Izuku, but Izuku grabs his Clown Car and punches it into pieces, sending him and Larry flying. But Izuku grabs them both with Black Whip and throws them into Ludwig and Lemmy, knocking all four of them out cold.
He then looks at Wendy, who was admittedly terrified. "Y-You wouldn't hit a lady, would you?!" she squeaks out, only to get punched right in the face, knocking her out. "If they're villains, yeah."
Bowser Jr. was outright furious as he flew at Izuku, his Clown Car swinging fists like a madman, but Izuku dodged each punch. "STAND STILL AND DIE!" Bowser Jr. shouts to Izuku, who looks annoyed at the kid's temper tantrum.
Izuku then catches the two arms in his hands, holding them together so they swing anymore. With a strong tug, he rips the arms clean off of the Clown Car, sending Junior stumbling back. Izuku then blitzes towards Bowser Jr., his arm charged with One for All to 60 percent.
He then punches the Clown Car, which not only destroys it completely, but even cracks Rainbow Road more than before. Bowser Jr. is sent crashing back to the unconscious Koopalings, heavily injured by the hit as he tries to get up, but fails. He looks up weakly at Izuku, whose right arm was bruised up to his forearm. Thankfully it wasn't too bad or too brutal, but it did hurt.
"Tell your father that attacking the Mushroom Kingdom will be the biggest mistake of his life." Izuku says with a glare, before turning away from the downed Koopalings and blitzing off to catch up with everyone else.
Meanwhile, Bowser had watched the whole thing go down, and he was outright furious. Izuku was not only getting in the way of his wedding, but NOW he had the gall to hurt HIS CHILDREN?!
With the heroes, they were getting closer to the Mushroom Kingdom, but Peach was still worried if Izuku would make it. From what Diddy and Funky told her when they caught up to them, he was fighting Bowser Jr. AND the Koopalings. They may not be as strong as Bowser, but when they're all together, they're a dangerous team.
"Princess, I'm sure Izuku's fine!" Toad says, clearly having faith in his best friend. "He's a strong guy, probably the strongest I know!"
Tiny Kong, who had caught up to the group just moments ago, happens to look in the mirror of her kart for a moment. But she does a quick double take to look in the mirror again, then turns and looks back to see Izuku blitzing towards them at full speed.
"Here he comes!" Tiny shouts, catching the group's attention and making them look as well. Peach's eyes widened in relief as she saw Izuku running straight for them. The Kongs all cheer, some pounding their chests, as Izuku speeds past them, catching up to his kart and hopping back on.
"Yes! See, I told you!" Toad exclaims as he pumps his fist. "I knew my best friend would win!"
Donkey Kong was admittedly shocked and impressed at not only how Izuku defeated the Koopalings, but how he ran all the way through Rainbow Road to catch up to them. But he wouldn't praise him out loud.
Toadette sees Izuku's bruised hand and looks concerned. "Izuku, your hand!" Toadette comments, to which Izuku nervously chuckles. "Eh… it's been worse."
Peach was honestly stunned. He was willing to break his own body to protect them.
Well… they aren't the first he's done this for.
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Back at Bowser's castle, Junior and the Koopalings were brought in by Bowser's minions as their injuries were being tended to. Junior was scared to look his father in the eyes, fearing he was mad at him for failing.
But Bowser manages to calm down his anger for a bit as he approaches his children and kneels to them. "Kids, I'm not mad at you." he says, which surprises them. "Yeah, you failed, but not for a lack of trying. That green haired punk just proved to be stronger than we thought."
"He was crazy strong, Pops…" Iggy says as he flinches from getting his arm bandaged by a Shy Guy. "He just had an answer for everything we threw at him…"
"Yeah… he even survived our combined attack…" Roy says as he pulls out a replacement pair of sunglasses, then takes off his broken pair and replaces them.
"And he didn't even use a Power-up!" Larry says bitterly. "I didn't once see him eat a Super Mushroom or any other Power-up!"
Kamek enters the room. "Lord Bowser!" Bowser glances at Kamek. "The troops are ready to invade the Mushroom Kin-"
"Tell them to hold off."
Kamek was absolutely shocked by Bowser's answer. "But sire, why?"
Bowser then stands up as his anger returns with a vengeance and he towers over the Magikoopa. "Because we are not attacking until my children, who are BADLY INJURED, IF YOU HAVEN'T NOTICED…" Bowser roars as he points to his kids. "... ARE HEALED SO THEY CAN HELP ME GET PAYBACK ON THAT GREEN HAIRED SHRIMP! DO YOU UNDERSTAND?!"
"Y-Yes, sire!" Kamek squeaks out as Bowser growls to try and calm himself.
"Whoever that brat is, he's made the biggest mistake of his life…" Bowser growls out as embers briefly flare in his mouth. "... and I'm going to make sure he regrets it for the short amount of life he has left!"
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The heroes have made it to the Mushroom Kingdom and into Peach's castle. "With Izuku defeating the Koopalings, that should hold back Bowser's attack for a while." Peach says as she removes her helmet.
"How do you know?" Diddy Kong asks, to which Cranky answers. "That guy may be ruthless, but he's admittedly a damn good father. His main focus right now is taking care of his kids, so we should have at the very least a week to prepare."
"And at most, a month." Peach adds. "Depending on how badly injured they got."
"Speaking of injuries…" Donkey Kong points over his shoulder to Izuku. "... someone wanna do somethin' about his hand?"
Peach looks and sees that Izuku's hand was still bruised badly. He wasn't moving it, meaning there's a good chance that his hand was actually broken.
"I'll handle it." Peach says as she approaches Izuku, then walks him to another room of the castle, sitting him down. "Jeez, Izuku… recklessly damaging yourself like this. What the hell were you thinking?" she says to him in both worry and slight anger.
Izuku could only weakly chuckle as Peach inspected his hand. "Sorry…" he says as Peach then removes her racing gloves as she gently grabs his hand.
A pink glow surrounds her hands as pink hearts begin to emit, then spreads to Izuku's arm. Slowly, the pain in his arm gets less and less noticeable, as the bruises fade.
Soon enough, his hand looked completely normal, but still had a slight amount of pain in it. "There… just rest your hand for a few days, and it'll be fine." she says, while Izuku was amazed.
"How did you do that?" Izuku asks, as Peach answers. "It's some power I unlocked. I call it 'Heart Power', and it lets me boost my attacks, heal others, and can even create temporary barriers."
Izuku's eyes widen a bit as he realizes something. "Are there… any drawbacks to it?" he asks, as Peach thinks it over for a second. "Well, it does drain my stamina if I use it for too long."
"And when did you unlock it?" Izuku asks, and Peach recalls the day she first unlocked it. "Around… 4 years old."
That was all Izuku needed to hear as he smiled. "Well, that just proves you're from my world."
"How so?" Peach asks, to which Izuku answers "Because that sounds like Quirk."
Hearing that makes Peach's eyes widen as she looks at her hands. She thought about it for a moment, and from what Izuku had told her about Quirks, it all made sense now. Her power showed up when she was 4, was exclusive to her, and had drawbacks. It had to be a Quirk!
"Holy crap…" Peach mutters to herself. "That explains so much! I thought it was just some power I had unlocked from the training or being raised by the Toads!"
"Well, now you know." Izuku says with his classic cinnamon roll smile, which makes Peach as pink as her usual dress.
"How did those idiots back in your world think someone so pure was a villain?" Peach just mutters, still trying to understand what logic some of the people in Izuku's world were thinking. Izuku just shrugs, not sure of that himself.
"So we've got at least a week till Bowser attacks?" Izuku asks, to which Peach nods. "Possibly more than that, but still."
"However much time we have…" Izuku says as he stands up. "... we better use it wisely."
Peach nods, before she and Izuku exit the room to get their plan with the Kong army ready.
Next Time: Preparing for a War!