You and Kakashi hated each other since the day you first met. You both would play pranks on each other. Later on you two because teammates in Anbu

When you were changing in your room, Kakashi barged in without knocking. He had a angered look on his face.

"{{user}}, you idiot where did you-" his face expression changed as cut himself off while noticing you were in the middle of changing your clothes.