Izuku Midoriya was a good student and had a good life, he was in U.A. and was dating his used to be best friend, Ochaco Uraraka. One day however, he was on his way to class when he was betrayed by everyone, even his girlfriend. However, on the way...
"HA!!" Izuku said as his fist was engulfed in fire and punched and Oni straight in the chest and his fist went through
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Izuku then pulled his arm and sat down that made a thud. Izuku tried to catch his breath as he was tired, the Oni he just killed was his 100th Oni, it was part of his training to kill 100 of them. His father was right, his training was indeed hell, he did normal trainings with high stakes like he had to do push ups, but he had a boulder on his back, and everytime he did and excercise, he had to be near a pool of lava, his father said it was a way to get used to heat, but he also said that Izuku's hellfire was WAY hotter than lava. But that wasn't even the worst part, it was the pain tolerance training. His father, as well as some skeletons of Hanzo's dead ninjas, would hit him with a wooden sword to make him have a high endurance to pain. It was the worst, but the more of the training he got, the lesser the pain he felt. Izuku also learned how to use katanas, basically the same way Tanjiro trained in Kimetsu no Yaiba, but after that, he would train with two katanas. Another difficult part was the Kunai, it took him multiple tries for Izuku to even launch the kunai. And when he finally did it, when he pulled back, he didnt catch it and it stabbed his hand, Izuku panicked but realized but Hanzo explained that he would be fine, Hanzo just pulled out the kunai and Izuku screamed in pain. Hanzo also taught Izuku that in battle, their is no mercy for the wicked and told him that he must kill without hesitance, that was probably Izuku's hardest task yet, but Izuku understood.
Meanwhile, Calli and Izuku's relationship had grown to a ,close friends, relationship. Calli would always bandage up Izuku due to the injuries. Izuku just slept at her couch and Calli didnt mind, it took Izuku a while to get used to living with a girl besides his mom but he got used to it. Same thing with Calli, she slowly ,but surely got used to Izuku being around. Izuku would also watch her do her streams and it was entertaining for Izuku, he did have to make sure he will not be heard. He even learned about Calli's other genmates and all he has to say was, her friends were quite odd, he would say weird but that sounded rude.
"Izuku? I brought you some water" Calli said as she came up to the tired Izuku and offered a cold water bottle
"Oh, thanks" Izuku said as he accepted the bottle and drank half of it in one gulp
"Geez, your dad's training is THIS intense?" Calli asked, looking at the corpses of Oni's
"Yeah, but the results are showing, but he hasnt taught me how to use my hellfire that much, just how to engulf it on my hand or my legs" Izuku said
"Maybe its because theirs a drawback if your havent completely mastered the simple ways of using hellfire, like One For All" Calli said
(Yes she knows, Hanzo also knows and obviously Death knows)
"Yeah, your right" Izuku said
"Well, I need to go, Sensei wants me to take another soul, see ya!" Calli said
"See you Calli" Izuku said as he sighed, it's only been around a year since he started, their was still 4 more years to go, but he couldn't slack, he had to train hard to protect the innocent, and for the Shirai Ryu.
Time Skip brought to you by Calli doing, Guh~ Four years in the underworld had finally passed, and Izuku was EXHAUSTED. Izuku was lying down on the couch, it was the final day and he finally finished his training, he could barely move. Calli was right, hellfire had a drawback when he tried the moves his father taught him the first time, Izuku would just feel pain in his body due to the hellfire, but the training, the pain, all of it was worth it, he was much stronger, he could control his hellfire with ease, he could also use katanas and he kunai with relative ease. But nevertheless, he was done with his training.
"Wow, you look really messed up" Calli said as she came from her room since she just finished her stream
"Yeah, but it's all worth it." Izuku said and Calli smiled
"Well, let me get some ice" Calli said as she went to the kitchen.
A few minutes later, Calli came back with a bag of ice and gave it to Izuku, who accepted it and placed on some areas where their were bruises. Calli couldn't help but blush at Izuku, she saw his rock hard abs and had to admit Izuku looked ripped.
"Well, Calli, will I be technically your partner if I become the next Hellspawn?" Izuku asked
"Actually yeah, you will be" Calli said and Izuku smiled
"Well that's awesome, well I guess I should get some rest" Izuku said as he closed his eyes
"Okay, I'll see you later" Calli said
Time skip, next day brought to you by Scorpion splitting you in half
"Well son, you look great" Hanzo said
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"Thank you Father, I'll admit that this isn't that bad, it's actually prett comfortable" Izuku said
"Haha, well Izuku, from now on, you will be my Hellspawn" Death said
"I am honored" Izuku said as he kneeled
"Now, you can have this back" Death said as Izuku felt something entered his body, he stood up and looked at himself and realized, he was alive again
"W-woah, thank you" Izuku said
"Your welcome, now it's time for you to head back" Death said
"Well, alright but father, you can come with me now, right?" Izuku asked
"Indeed, I can't wait to see your mother, its been a long time since I have last seen her" Hanzo said
"Well I guess it's time to go" Izuku said as he was about to unsheath his sword when suddenly
"Wait!" Calli said as she came forward
"What is it?" Izuku asked, Calli then put down Izuku's hood
"I know we will meet each other again soon but," Calli said but then gave Izuku a kiss on the forehead
"I just wanted to give you this" Calli said with a blush and Izuku blushed but it couldnt be seen
"W-well thank you, I'll see you next time" Izuku said as he unsheathed his sword and cut the ground, opening a portal of fire and Izuku and Hanzo jumped in it
The two jumped out and were in Dagobah Beach. Izuku put his sword back.
"Well, I think the first thing we should do is head to your mother" Hanzo said as Izuku nodded as the two walked to their home.
Chapter End, hope you enjoyed! Oh and I forgot to mention that the time in Earth is 9:00 am
