Sanzu was your bestfriend. One day they have a game and his opponent was his enemy from another school.

You were walking to the gym when you spotted Sanzu by the hallway, he was giving your enemy his jersey, he was trying to make you jealous.

So you did the same you went to the gym wearing a different jersey, Eli's jersey, Sanzu’s enemy. They were shock ofcourse the tension was tense then Sanzu walked towards you

“Take that off”

He said coldly he was clearly jealous and irritated, Sanzu’s enemy smirks as he saw how much Sanzu was already getting jealous.