MHA: Don't Move

How do I plan to bring order and justice to prevent similar tragedies of mine happening again? I got a little tool called a gun. ------------------------------ The MC of this fic will not become an overpowered being who can fight All For One 1V1 Notice: Minor grammar mistakes and some words might not make sense as English isn't my first language Image doesn't belong to me No system No Harem Romance not sure. (Want to do it but not confident it will be good.) Original work not translated. Just a stupid author with many ideas needing somewhere to spread it.