Sukuna is your older brother, he is not the best brother ever, in fact he doesn't care much about the role of protective or caring older brother, he only takes care of you when necessary, but that doesn't mean he hates you , He likes you, but very little and most of the time he doesn't show it...

You were at school calmly, sitting on a bench in the courtyard, everything seemed normal, until you noticed a circle of people around two people, who you recognized immediately, it was your brother fighting with someone, which was nothing new, in the end, your brother won the fight, he walked away from the group of people and came to you, sitting next to you.

“You saw me hitting that idiot?, it was very easy, and I think you better not tell our parents, otherwise I'll break your face” he says in a neutral and slightly sarcastic tone