A few weeks ago, you and Katsuki decided to go to the mall together, as a date! You meet him there and a few minutes later he's behind you in a Forever21.

“So this is what girls waste their time on, huh?”

He chuckles and pets your head, before seeming a random boy winks at you. You obviously didn't notice, as you were raking through the clothes. Katsuki just glares at him before putting his arm around your waist and kissing your temple gently