After returning back to class, math was about to start.

Katsuro had an imposing appearance as she went by other students and sat on her seat.

Some of them felt fear, some were annoyed with her attitude, but no one dared to approach her, no one but Izuku and Itsuka.

Izuku got stares from other students as well, but most of them were mocking stares, that he got used to.

Classes in this school were just as easy as in Junior school.

Although math was a big problem for some of the students, for Katsuro, Itsuka and Izuku, it was relatively easy.

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Months passed one by one and the friendship of the trio only strengthened, at least that's what Izuku thought.

"Remind me again. Why the fuck are you still around us?" agitated Katsuro couldn't help but ask.

"Now no~w, don't be like that Kaccha~n. I am just trying to get along." Itsuka smiled.

"Why the fuck are you calling me like that, you ginger bread?!"

"Oh that nickname is old, make a new one, also, what should I call you then? I feel like Kacchan is cu~te. Even Izu calls you like that."

Since the beginning of our "Friendship" Itsuka was relatively normal, but.. Kacchan was always annoyed with her presence, and after a week, Itsuka changed her way of talking to her.

At first she kindly talked to her every time she could, but lately she was just teasing her all the time.

"Don't call me anything! Just leave the damn place!" Katsuro shouted.

"There goes your hostile behavior. I just can't seem to get enough! Don't be like that, tell me what should I call you then? Small temper? Short fuse? Small breasts? I feel like those are pretty good names if you aim to be a pro hero!"

The entire class laughed on her statement. They have been like this for quite a while, and they enjoyed watching their "play".

Katsuro widened her eyes and clenched her fist to the point that her hand was almost bleeding.

"You bitch! I will smash your head in once we get to the hero academy! I swear to god!"

Itsuka's words really hurt her. Especially the small breasts nickname. She was already 13, but there were still no signs of growth.

On the other hand, her archenemy Itsuka, already had breasts as big as her mother.

'Is it possible that someone switched us in the hospital when we were little?

There is just no way that they are this big already! It's impossible!

She is only 13. How big will they get?! Is she stuffing them with pads?!'

"I've had enough Melon tits. Go bother someone else."

Katsuro left her seat and exited the classroom.

Meanwhile Itsuka struck a victory pose.

"Yaaay I did it! She gave up, and I've even got a new nickname!"

Izuku just shook his head and replied, "Why are you teasing Kacchan so much? I feel like she was really hurt by your words just now."

Itsuka just looked at him and smiled, "You know, at first, I just wanted to get to know her better. But after a while, I've realized, that your best friend is a violent antisocial prick that hates everyone in this world but you. Heck, a month ago when our parents came to the parents conference, I saw her shouting at her mother. To my surprise, her mother shouted back.

Her dad just stood there without moving at all. I couldn't help but laugh! Now we know where her violence comes from!" Itsuka said.

'It's most likely because of her quirk.' Izuku thought.

"Itsu. That was too much. You should go and apologize to her. You should know how much she is conscious of her.. breasts.." said Izuku.

For those months they've know each other, they have become quite close with each other and Izuku didn't mind her physical contact anymore. He even gave her a nickname. His only worry was Katsuro. She got more distant again and Izuku didn't like it.

"Yeah, I suppose you are right. She never ran away like that before. She usually just replies with some bark but this time, it was different." Itsuka replied.

She silently walked towards the door and left the room.

Izuku sighed and murmured, "I hope they will make up someday."

***************************************************

Katsuro looked into the mirror reflection of herself and thought about her appearance.

Why do I look so unattractive? There really isn't a single redeeming feature I have. That stupid cow tits pro hero was right, my chest is small, I don't look beautiful nor do I have a nice smile. Instead, I have a smile of a serial killer. How great, thanks old hag.

My hair is fucking bad as well.

She lightly touched her spiky blond hair and tried to flatten it, but to no avail. It didn't work.

"I need to ask my old hag...Nah.. She will just tease me again. I will find some tutorials on the internet to make my hair smoother." she mumbled.

"Hoh? I didn't expect you of all people would care about your appearance. I guess I've seen everything now." a voice of a girl she didn't want to see echoed from the bathroom door.

"What the hell do you want from me? Want to provoke me again? Go ahead. I don't care anymore." Katsuro replied.

"No, actually, I've come to apologize for being such an ass." Itsuka sighed.

Katsuro widened her eyes in a surprise. She expected everything, but not an apology.

"Look, I've been trying to talk to you for a long time, but you just brushed me off every time. So, I changed my tactic. I wanted to annoy you so much, that we would get a proper talk."

Katsuro clicked her tongue and replied, "Look, it's true that I don't act nicely to anyone, but I have my reasons. I don't want to create another friendship if it's not going last."

"I Like Izuku" Itsuka murmured.

The room was enveloped in silence.

"Wh-What did you just say?!" Katsuro shouted.

"I like Izuku, and I know you like him too."

"Who would like that fucking nerd?! Stop spouting nonsense!"

Itsuka leaned on the door and replied, "Okay. Here is the thing. I've become one of you, people don't really talk to me that often, because I am spending time with you guys.

From time to time some people still try to talk to me, but it's nothing special.

But I don't mind, because when I am with you guys, I feel like I am home. I really like Izuku, you can even say that I love him, I enjoy spending time with him, I also enjoy spending time with you.

Even though you don't like me, I want to be your friend. Well, I consider you my friend already, but please, don't take my provocations to heart. I am not serious about any of them. At all."

Katsuro's brain overcooked with all of the info. She wants to be my friend? She didn't mean any of her insults? But more importantly, she really likes Deku?

"I know that you are trying to hide it, but you can't hide it from me. If you don't want to be my friend, then.. You will be my rival in love!"

Katsuro wasn't sure how to respond.

Should I tell her the truth? She wouldn't tell Deku, would she? Nah, knowing her, she would probably tell it to every single person in their school. But I need to talk with someone about my feelings.

"Alright, I admit that I feel something for the nerd, but it's not love. Not yet anyway."

Itsuka was surprised that Katsuro actually admitted that she liked him a bit.

"Alright! From now on, you are my friend, and a rival in love! Our goal, is to make Izu fall for us!" replied the enthusiastic girl.

"Like I said, to hell with friends, I don't need any, but I can be your rival." Katsuro commented .

"Now, let's go back to class! We need to show Izuku that we get along. That will be our first step in conquering him!"

"I see, well.. It's true that he is always worried about us for no reason whatsoever. I don't mind having you around us when you don't talk about the friend crap." said Katsuro

'Too easy. This girl is too easy. I didn't even need to think of a plan to get her as my friend. Just talk about Izu all the time and job done!' Itsuka thought.

They entered the classroom for the second time that day, and went towards Izuku.

He was mumbling something under his nose while scribbling into his small notebook.

He looked up and a big smile emerged on his face.

"Hey girls, it looks like you made up! That's awesome! I didn't expect you would be done so quickly Itsuka."

Itsuka smiled and said, "oh well.. Some stuff happened, and we have officially become good friends."

"We aren't friends." Katsuro shook her head.

"Alright.. We have officially become rivals."

This time Katsuro just nodded without saying anything back, and went back to her seat.

"Rivals? What are you competing in? Quirks or brain power?" Izuku asked.

Itsuka put her index finger on his lips and said "That's a secret Izu!"

Izuku was clearly confused, but decided to let the matter go.

"Alright fine... Still can't believe that you somehow befriended Kacchan. I know it's too late for this, but welcome to our group Itsuka."

"It really is too late, but thanks anyway."

Our fight is just beginning.