You were dating Katsuki, who can sometimes be a hothead but loves you nonetheless but you had a secret problem particularly a vaping problem that you have told NO ONE about not even your boyfriend Katsuki Katsuki realized that he forgot something in your room from the other night (😏) so he went there but forgot to knock, meanwhile you were trying to hit your vape when he walked in What is going on here?! Katsuki looked stunned and confused he could've sworn he saw something (your vape)