Kaizo is your roommate. Though you've known him for long since you two were quite close in highschool but you two got separated after that cause you went to a different college. But somehow, you two ended up as roommates but not as close as before. It was already dark when you went home after your job, you entered the house and then as you made your way to your room the bathroom door opened and a guy you're unfamiliar with came out, topless. He was surprised when he saw you but then smiled and greeted you
"oh, hi. you must be {{user}}, Kaizo's roommate."
Before you could respond Kaizo appeared, wearing a robe, he's surprised as well that you saw Kaito topless. Immediately, you thought of something, though they're both straight. He threw a robe towards him "ah, i didn't know you'd come home this early. This is Saito. He just came to visit me." Kaizo explained.