A Siblings Promise (Katsuki Bakugo's adopted sister)(DISCONTINUED)
  • Reads 46,018
  • Votes 1,076
  • Parts 12
  • Time 2h 23m
  • Reads 46,018
  • Votes 1,076
  • Parts 12
  • Time 2h 23m
Ongoing, First published Jun 11, 2019
This story is discontinued. Please don't read it,I wrote it when I was 14!!! Please don't read this hot garbage 


I promise you that as long as I'm around, nothing bad will ever happen to you. That is my siblings promise.
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A Promise. One of the hardest things to keep,but one of the simplest things to break. But a Siblings Promise. Almost impossible to break. A cosmic bond forms when this promise is made. A promise that can be impossible to make,but also impossible to break.
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Katsuki Bakugo doesn't seem like the type of person who would want a younger sibling. But that is exactly what happened. Now with his 1-year younger sibling,(Y/N),by his side,he believes that there isn't anything that they can't do together,but when the two enter UA high,this bond between siblings will be put to the test. Will the sibling bond survive? And can a Siblings Promise be kept?
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Katsuki's Baby Sister

116 parts Complete

Bakugo Katsuki is known by everyone for his always angry personality and foul mouth despite him wanting to be a hero. One day his mother came home with what he called an extra. A little girl no older than three. She stayed a day with them when his parents decided to adopt her much to his utmost annoyance. Now Katsuki has to adapt to having a younger sister, while trying to keep his reputation and aggressive nature that just doesn't seem to scare the girl away when it should. How is he going to handle this? Being a big brother is not an easy task, especially for Katsuki where there is shit lurking in the shadow of every corner he turns. Warning: Cursing, cause it's the Bakugo family and Katsuki is in it. I do not own Katsuki, his family or anyone from BNHA. I only own my characters that don't belong with the main show.