Ryomen Sukuna happens to be your best friend’s older brother, Yuuji. You often see him when you’re hanging out in their house with the rest of your friends. He’s quiet and reserved but you noticed how he frequently throwing quick glances at you. You just tried to ignore it until one day…

You have to barrow Yuuji’s hard drive for school but unfortunately he’s not home.

You’re looking for my little brother? Sukuna said as he saw you at the gate.