Leave It All Behind - Katsuki Bakugo x reader

Training

You woke up abruptly to the sound of your alarm, checking to see the time, you were shocked to see 4:32 AM plastered in a big flashing font. It had pre-set by Soumei the day before, and as much as you wanted to close your eyes for just a few more moments, there was stuff you had to get done. 

Like he'd said before, he'd offered you a spot not because of a keen battle sense, but for your fresh, new power, which he hoped to mold into that of a hero's. So, as he instructed, you dressed in an old tank top and an old pair of sweatpants, which you weren't even completely sure were yours. 

Walking into the gym, you were surprised to say the least. Heavybags surrounded the outer edges of the walls, dumbells ranging in weight up to 200 lbs, and an argment of workout equipment probably costing more than you'd ever make in your life. 

"Morning," he spoke, stretching out a bit with a yawn. You greeted him, warming up yourself a bit while waiting for instruction.

"Alright, so I communicated with your teacher a bit, and he told me that you can't always activate your power. That's completely normal when kids are learning, but that's definitely a hurdle we gotta overcome sooner than later," he sighed, pointing to a large bag "Go over there, and I want you to try and use it. He told be you thought you had it all figured out, but we gotta make sure."

Hitting it, hard you nearly screamed out in pain. The bag split open, practically falling apart at the intenstiy you'd hit it at, completely tearing up the skin on your knuckles. "Oh my god, this hurts so bad," you seethed, getting a horrible feeling in your gut.

Soumei remained silent as he watched the skin slowly creep in and regrow itself, and you quickly felt the pain subside. 

"Okay, now give it a round kick."

You did as he said. You hit the bag, hard this time. Feeling the skin on your shins split from the force, and immediately heal itself as you kicked it across the room and in half, slicing it into two as if you'd sliced it with a sword.

"Alright, now what did you do differently now from when you trained with your teacher?"

You thought on it for a moment, but nothing came to mind. And thinking about it a little harder, you came to the conclusion that the problem was thinking. "I don't think I can do it when I'm thinking too hard about it. I think I need to treat it like a normal punch."

"Well, it sounds like you've grasped it fairly well."

- Two hours later -

"YOU HAVE TO GET YOUR LEG UP HIGHER IF YOU EVEN WANT A CHANCE AT DEFEATING A TWO-YEAR-OLD!"

"I CAN'T GET MY DAMN LEG UP ANY HIGHER OKAY!? SOME OF US AREN'T SUPPOSED TO BEND LIKE THAT!" You yelled back at Soumei. He stood in front of you, legs at a perfect 180-degree middle split, then sliding a yoga block under his foot, reached and easy 200-degrees. Your legs went up to 100 degrees at best.

He got up, obviously fed up, and pushed your shoulders down. You could immediately feel your hips pop and muscles tear in a way they never should. As Soumei expected, you reached the middle split, and your muscles healed within seconds. 

"Okay, let's take a quick break," he said. You winced, hearing your hip pop as you got up. Only then did you realize how hard it would be training with a pro hero, especially now that he had an excuse to break your body at the expense of success, still, you could feel your body get more comfortable healing, slowly easing into the power. 

You rubbed your legs, falling against a wall and sipping on a fresh water bottle.

After was hand to hand combat training. You were well versed in Muay thai, boxing, and brazillian jiujitsu, but you knew that there were far more you could work on.