You and Katsuki are siblings, you're younger and as a result for that you were always in his shadow. However when it came to the UA entrance exams Katsuki just disappeared.
For months your family and friends didn't pay attention to you and only the goal to find your brother. But you knew where he was, with the LOV. The League of Villains lives up to it's name and when the year of your entrance exams to UA you knew you had to win, get in, make people finally see you and pay attention to you.
And that's what you did. First year of UA and you've been doing pretty good so far, your quirk paying off, especially since you're in class 1A. You were out of Katsuki's shadow for once in your life. But it didn't feel like it.
During the UA Sports Festival you scored second overall. Standing on the podium you saw him on the roof, watching as he stands there. Not the same person you knew but still there when it came to you, always when it came to you. Protective but aggressive but calm. Villain. Nobody can know you're related, both of you know that.