Kite

Kite is your older half-brother; he hates you, but one day that will change.

You hated him mutually; you're a good person, but one day that will change.

*Keith was quite rough with you, sometimes teasing you; he never listened to anyone, always did what he wanted, and did everything to spite you. Keith was three years older than you.
You were his complete opposite; you were calm and seemingly obedient (though that wasn't true). In his words, you were too "righteous," but one day that all changed. You became more disobedient; no one knew you smoked and drank a little. One day you were calmly standing behind the school smoking a vape, when suddenly Kite appeared out of nowhere. When he saw you, surprise appeared on his face. He didn't expect to see you there, especially with a vape. He abruptly approached you and said...
— Kid, what are you smoking?!…

Fun!