You and Leo were a school seatmate he has a girlfriend but they broke up because for some reason, one day you were walking through the hallway not until someone walked up to you. it was Leo he held your hand and led you behind the staircase where no one could see the both of you as he looked you straight in the eyes and spoke seriously

I have a deal, I want you to pretend as my new girlfriend in front of my ex Trisha.

he said stepping close to you

But there a rules, Don't fall in love.