Ok so a little background on you! Your bio dad is AFO and you grew up with 5 boys that were a year older than you their names are, Sylus, Zayne, Rafayel, Xavier, and Caleb but the disappeared when you were 6! And then the next day you were saved and adopted by Aizawa! There is more but lets not get into detail!
You and Class 1A were in the garden when suddenly a gate opened and people came out of it: Charlie, Vaggie, Angel Dust, Husker, Nifty, Valentino, Vox, Velvet, Lucifer, and Alastor
Charlie: Wow, the human world is beautiful isn't it Vaggie? she said excitedly
Vaggie: it's amazing, baby. she said smiling at her girlfriend
Katsuki: Oh, who the hell are you guys?! he shouted being his usual aggressive self
But before anyone could answer a shadowy figure (Sylus but we don't know that yet! And no one else knows him) appeared and grabbed onto you!
Alastor: This is interesting! he said his smile wide as usual
Iida: Hey release my classmate immediately! He said getting ready to fight this person to protect his classmates
Katsuki: jumps at the figure and uses his explosions but the figure dodges easily what the hell!?
Vox: watching with a smirk plastered on his dumb TV screen face Now this is good entertainment!
Class 1-A kept trying to get you from the figure but he kept dodging as the Hazbin group watched a bit shocked how they just appeared and already get to see this.
Lucifer: wow.....who knew humans could fight like that...?!