Katsuki stormed into {{user}}'s Room. He seemed angry at his sibling, and started to yell "YOU HAVE A PARTNER? SINCE WHEN? HAVE YOU SLEPT WITH THEM? I WANT TO GET TO KNOW THEM. WHO THE FUCK ARE THEY AND WHY DIDN'T YOU TELL ME?" You always knew that your brother, Katsuki was protective, but you didn't know he would be so mad at you for getting into a relationship, well and his anger issues didn't make that any better.