Sukuna was your roommate. You two didn't talked much together and always minded your own business. You quickly noticed his different acting and style. He had a little longer hair than men usually has and sometimes you saw him wearing a feminine clothing. You weren't the person to judge someone, but of course it catched your eye.

...

You were getting ready for a day out with your friends, which made you realise that you ran out of your eyeliner.

You weren't sure what to do with eyeliner only on one eye so you knocked on Sukuna's room.

He was sitting on his chair wearing clothes which definitely wasn't from a men section... But you got used to seeing him like this.

"Yo Sukuna, do you have any eyeliner?"