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English
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Published:
2024-12-25
Updated:
2026-05-07
Words:
17,798
Chapters:
7/?
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8
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33
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Emerald Knight with Evolving Heart and Strength

Summary:

Izuku Midoriya was just having a normal day in high school with his entire class as they were just about to get ready for winter break, but suddenly everyone in that classroom were transported to another world called yollotl for a heroic purpose and Izuku seems to be the special case with new magic powers on this grand otherworldly adventure. Izuku/Large Harem. Lemon. Ultra Heroic!

Chapter 1: Classroom Move to New World in Emerald Flash

Chapter Text

Classroom Move to New World in Emerald Flash

A boy is running for his life through a forest with his life depended on him to keep on running and not get killed because there is a vicious beast chasing after him through the woods with the growling.

The beast lunges toward the boy trying to bite his head off only for the boy to duck down at the last second and slide on a downward slope and then he jumps off, passing through a couple of trees and now he finds himself in an open area.

"Looks like I better make my stand here than keep running." The boy said to himself.

The beast burst out of the forest, now in the clearing the beast is a ten-foot-tall sabretooth wolf with white fur and bloody red claws.

The white wolf monster howls at the sky with a shockwave that blows the dust around itself including the hood the boy was wearing showing his face.

My name is Izuku Midoriya, I'm a 15-year-old high school boy who got transported to another world. And I'm about to face off against a vicious white wolf monster that is trying to kill me.

Izuku is somewhat short for his age, his round face is framed by a short mop of fluffy dark-green hair which curls up at odd angles around his head, casting noticeably dark shadows onto itself. His eyes are large and somewhat circular, and his irises are the same shade of green as his hair. He has a set of four symmetrical freckles in diamond formations, one on each cheek. He wears a dark green cape that wraps around his body over his white high school uniform with a red tie and a black star on the left side of the shirt, light blue pants, and red sneakers that are slightly tiny, bigger than his feet.

To be honest, I'm still processing the fact about being in another world along with my whole classroom. I still remember it like it was yesterday.

The white wolf monster runs at Izuku to pounce as the boy ready himself for a big fight.

In fact, this happened only ten days ago, when me and my class were just about one day away for our winter break.

(Ten Days Ago, On Earth)

The scene shows of Izuku sitting at his desk writing down some notes from some of his classes so that he can be ready for the next lessons and the final exams that are coming up next year to move up to the second year of high school.

"Hey, Izuku, writing stuff down?" A girl asked, sitting at one desk in front of him.

"Yeah, just wanted to make sure I have everything for the future finals after new year." Izuku said.

"You mean about becoming second year? Dude, come on! We're gonna have winter break literally tomorrow, why worry about something stupid like studying when you should be focusing on the fun with the snow." The girl stated.

"Maybe that's because some of us want to stay in this school, Nana Sunohara." Izuku said.

"Hey, I'm totally going to stay in this school because I'm awesome with my studying!" Nana proclaimed with a smirk.

Nana is a girl who possesses a voluptuous yet slender body figure with big breasts of her own. Nana has honey-blonde hair and amber-colored eyes. She has tan skin which makes her look like a Gyaru. Her hair is also significantly longer, reaching down to her waist. She wears the white high school uniform in a female version of Izuku's uniform. Breasts size: FF-cup.

"Would that be video games because that can still be an obsessive problem." One tall student said.

"Hey! I do not have a problem with video games, Chad! I have my own timing to play them." Nana yelled at the tall student.

"Tell that to the marathon you had us go through on that last week of summer months ago." Chad mentioned.

Chad is a teenager of Mexican and Japanese descent. He is dark-skinned with pronounced cheekbones and has wavy brown hair with bangs that generally hang over his brown eyes. He is a muscular and extremely tall man and appears to be much older than he actually is. He wears the white high school uniform.

"It was the funniest time we ever had!" Nana said.

"Girl, that marathon was insane that you wouldn't let us pause the game for the first two days." Another girl mentioned.

"Mirika's right, that was intense." Izuku agreed.

"Come on, at least I tone down that part and gave you guys bathroom breaks." Nana said.

"I had sore thumbs for three days. You're lucky I still want to be your friend or else I would've sued you big time." Mirika said while showing her thumbs, still feeling the slight sore from that marathon.

Mirika has blond-yellow hair tied in short double pigtail and green eyes. While in her school uniform, she wears an orange bowtie and a pair of black over the calf socks. She wears the white high school uniform. All four of Mirika's canine teeth are visibly sharp. Breast size: G-cup.

"I'm just glad I was a part of it, the video games you suggested was not my cup of tea." One boy said, glad that he didn't go.

"Says the boy who plays that fantasy game just to see that cute girl character!" Nana teased with a grin.

"Bet you were having naughty dreams about her and fucking good in bed, Romeo." Nana smirked.

"Shut the fuck up! It's nothing like that okay!" Romeo shouted in rage with his face turning red.

Romeo is a young man with short and little spiky purple hair and black eyes and has an orange scarf around his neck with the knot in front. He wears the white high school uniform.

Izuku just laughs a little seeing how his friends are just messing with each other and having a good moment in school, just like how it's been since coming to this school and making some friends while getting himself ready to move forward into the future.

But there are things that Izuku wonder if there is more to life than going to high school and other things after that, he always wanted to have an adventure even if it's just a little fun to make his life feel more exciting and maybe have some more meaning into it.

"Good morning class, glad to see you all here." A woman greeted as she walks into the classroom.

"Good morning, Konomi Suzue." The students greeted their homeroom teacher.

"Alright, now let us begin our homeroom." Konomi said.

Konomi has short orange hair with two long bangs on each side, which are on both sides longer, green eyes, and a pair of green framed glasses. She wears a green sleeveless shirt, a white coat, black short skirt, skintight red-brown legging pants, black fingerless gloves and matching high heels. Breasts sizes: J-cup.

"Now, I don't know about you guys, but I'm really looking forward to winter break where we can have a holiday with our families and some snowy adventures." Konomi mentioned winter break.

"I'm pump for it!" Nana shouted.

"I can see it." Konomi smiled at Nana for being this excited for winter break.

"Okay, I know that some of you have some special plans and all, but I would like to see you all get through today in school and give it your all. Are you all cool with that?" Konomi asked, pun intended.

"I'm already feeling chilling to crush this winter break!" One girl shouted with excitement as she steps one foot on the desk.

"(I see that Hayase Nagatoro is hype as ever.)" Izuku thought noticed on one of her classmates.

Hayase is an attractive, petite, and short-statured high schooler with long, straight black hair pinned to the right side with a pair of white hair clips. She has brown skin and large, expressive amber-maroon eyes. She wears red nail polish, has a metallic piercing on her upper right ear and both of her lobes are pierced. Hayase has a lean, athletic, slender and very flexible physique with a modest bust size. She wears the white high school uniform for girls. Breasts size: C-cup.

"I see you're still loud with your tone, Hayase." A slightly older girl said, walking into the classroom.

"Shut your face, Sana! No one ask you!" Hayase yelled at the girl.

"Surprise to see the Student Council President, Sana Sunomiya, is here." Izuku was surprised, knowing that Senpai.

"Is there something you need, Sunomiya?" Konomi asked.

"Just to give you the paper request forms you wanted." Sana answered as she handed some papers to the teacher.

Sana is a beautiful, shapely, and very tall young woman with long, straight, dark purplish-black hair that reaches the end of her back and a jagged fringe. She has a royal pallor-like, delicate-looking, fair skin - depicted as so clear that seems to glow in the dark - and sharp, cold-looking crimson eyes. Her height is about 171 cm (5'7") and has a Junoesque, imposing, and athletic physique which has been described as "unreal", with a firm butt, massive boobs, a thin waist, long legs, and slender arms. She is also very muscular and toned. She wears the white high school uniform for girls except her red tie has a golden star on it. Breasts size: L-cup.

"Oh, thank you." Konomi thanked.

Izuku looks out the window seeing the snow falling outside of the school thinking about that life of adventure again, hoping that something good would come out of this winter break.

"Sometimes, I wish I could be taken away to an adventure." Izuku mumbled to himself.

As if listening to him for real, fate has granted Izuku's wish.

Suddenly the entire classroom started to shake like crazy as if the entire school has been hit by a crazy earthquake, but what everyone doesn't realize is that only the classroom itself is experiencing the strange earthquake while everything else is fine.

"What's going on?" Romeo asked freaking out.

"Something fucking weird, that's what's happening!" Nana screamed in horror.

"Everyone! Please remain calm and stay in your desk, I'm sure there is a perfectly logical explanation about all of this!" Konomi tried to calm her students down, but it doesn't really help that she is panicking loudly and fearing for death claiming hers and her students' life.

"Oh no, could have been my wish?" Izuku feared this may have been his fault.

The shaking doesn't stop as the outside view of the window started to change into what appears to be a multi-color vortex surrounding the classroom, then strange white lights appear under each student including Sana almost like they are being selected for something which they don't know and freaking them out more.

However, Izuku's light glowed differently for him as the color is both gold and black at once which the boy in the middle is glowing green.

"(This glow is different than the others, but why?)" Izuku thought wondered.

Then he notices everything is glowing brighter and brighter until everything is engulfed by a very bright light, he doesn't know what's going on, but he hopes that he and everybody else will still be alive after this.

"Oh, I see. How very interesting." A woman's voice said.

"Huh?" Izuku was confused upon hearing a new voice.

He gasps in shock when he finds himself now being within a pure white void with literally nothing or anything around, he looks around trying to see if he can find his classmates and teacher if they are here too.

"What happened to everyone? Are they okay?" Izuku asked.

"Oh my, caring for others more than yourself is such a cute trait of a strong human, even ones from other worlds." The woman's voice complimented.

"Wha… Who said that?" Izuku asked in shock.

"Don't worry, I'm not here to hurt you. Just saw you come in here differently than the others, it looks like you're a very special kind of soul." The woman said.

Izuku finally found the source of the woman's voice only for his eyes to widen in shock like they're about to pop out like a cartoon character as his bottom jaw drop, this was NOT something he was expecting to see.

"Yes, I can tell you are not like the others I've seen before." The woman said.

But this woman isn't exactly woman because she is a giant dragon creature that is right in front of him.

"Wh-Wh-Wh-What are you?" Izuku asked with his whole body shaking in fear.

"I'm just a dragon, and also a Goddess of my world known as yollotl. My name is Quetzalcoatl, but you can also call me Lucoa for short." Lucoa introduced herself.

Lucoa takes the appearance of a large "amphithere" dragon with broad feathered wings and a mask-like skull.

"No way, you're a real-life dragon?" Izuku exclaimed in pure shock.

"Yes, I am a dragon and I'm going to tell you that you and the others who were with you during the big summoning ritual have been transported to another world. My world yollotl which I just mentioned." Lucoa informed.

"Huh, summoning ritual, transported to another world?!" Izuku gasped.

"No way, this can't be real?! That's something only happens in books and anime!" Izuku stated, trying to force himself to wake up.

"Oh, it's all real, cutie. And it's a world filled with magic." Lucoa said.

"So, I'm going to be in another world with my classmates?" Izuku asked.

"Classmates? Oh, so your group are kids in school. Didn't think that would happen though I know other deities that may have gone through familiar things." Lucoa recalled that.

"Well, yes, you and everyone in this "class" of yours are going to the same world, but I'm afraid you won't be in the same location as the others." Lucoa shook her giant head.

"What do you mean?" Izuku was confused by this.

"(Is she saying that I can't join the others?)" Izuku thought asked worry.

"As I said, you're a very special kind of soul as you have taken in quite the unique magical power of two elements." Lucoa said.

"What does that mean?" Izuku asked.

"All I can tell you is that you posses both darkness and light element power, two very rare magic powers that aren't easy to tame as not everyone in yollotl can have and it looks like that's causing you to appear somewhere else in that world." Lucoa explained.

"What? But what about my friends and classmates, how do I find them?" Izuku asked worry.

"Luckily for you, I know where they're going to appear. They'll be within the kingdom Grimmheart in the royal castle to meet with the king." Lucoa informed.

"That sounds like a dark place." Izuku worried with a gulp.

"Oh, no, despite the name sounding a bit scary, it's actually a really nice place with different kinds of people and races and the rulers there are really nice though the queen can be a little strict." Lucoa mentioned the king and queen.

"Now, it's time for you to be off to yollotl." Lucoa said just as Izuku started to glow gold and black again.

"Huh, wait! I still have so many questions like what exactly is going on and why are we being summoned in the first place?" Izuku asked.

"Because something big and bad is happening down in yollotl, something that I'm unfortunately unable to stop despite being a Goddess. But maybe with you there, the world can be saved." Lucoa believed strongly.

"Don't worry, I'll send in my two special helpers who can help you get ready to face this threat. You just need to keep on surviving until then." Lucoa said.

Izuku was still scared about all of this new information that has been given to him about going to another world like in one of those Isekai anime and light novels, but he has to stay strong in order to reunite with everyone in the class and hopefully help fight this threat.

"Okay, I'll… Huh?" Izuku suddenly found himself in a forest-like area with the trees looking all red like he just found himself in a forest made of blood.

"Looks like I'm really going to start my new adventure here." Izuku said to himself.

Izuku doesn't know how he's going to find his class in this Grimmheart kingdom, but he's gonna have to try while surviving in this world with his journey taking a different path in life in another world of magic and probably other crazy things.


KO a new story is done and hope you all enjoy it!

Here is a new crossover story with Izuku being the main character with him and his entire class has been summoned to another world to fight some dangerous threat, but he appeared in another location of yollotl because of his unique magic power. Let's hope Izuku will be able to get through this adventure as he will be able to explore this new world of magic, and perhaps become a hero!

KO comment, favorite, and follow through of how this new story will go!