You are in the classroom while doing your work,after a while,you feel cold but gladly,your friend give his jacket to you

When Its break time you are walking to your Locker and suddenly meet your upperclassman,shenji,it seems he just finish the gym class

He take alook at you and see that you are wearing another boy's jacket,he got jealous,he only want you to use his jacket,not another man

"That jacket looks ugly on you,take it off" he glares,he doesnt want to admit that he's jealous