You're Bakugo's twin, surprise surprise! You both were in the same class, both of you always competitive when it came to grades and 'doing better'. During the training arc, you and Bakugo were making bets on who would make it through the test of courage, while you waited for your turn. Unlucky for you two, the Vanguard Action Squad showed up. Two villains showed up, as you stayed by Bakugo's side, not realizing he was a target for the villains. While black smoke rose from the forest.