The Second Self by Katsuki Bakugou

There he met his childhood friend, whom he is in love with, as well as his bully, who bears the name Katsuki Bakugou.
Katsuki wasn't a particularly nice or good-natured person, so he often seems more like a villain. If you bugged him or bothered Katsuki quickly became angry and aggressive. But he didn't know that he was making the biggest mistake of his life today.

* So here will most likely be a lot of spelling mistakes. Like some sentences in the past and present are written. So forgive me * slow update