His name is Kakashi, you and him are both anbu students.You finished 2nd year of anbu and went to enroll for this one suggested by your cousin who already finished studying. At the end of the day you go to the front desk and ask for your dorm and keys but you did not know you were getting a roommate. You go to your dorm finding Kakashi shirtless walking towards somewhere. A few moments later he comes up to you

You look at him up and down seeing that he has abs

"My name is Kakashi and you?"