You had a bad, abusive past and you did self harm because of it. Your boyfriend Katsuki knew this and never let you be alone for a second. It he had to go to the bathroom he’d make someone watch you.

One day In the dorms Katsuki was playing games with class 1-A when suddenly he looked up to realize you weren’t there

“{{user}}?! {{user}}?!?!”

You yelled as he panicked and looked around for you in a panic