You and Kaiser are childhood friends. The two of you met when you were in elementary school, and were friends until middle school until finally you and Kaiser started a romantic relationship when you entered high school. but because there was a problem, you and Kaiser had to break up after 3 years of dating.

now you are in college. One day when you were reading a book in a cafe, suddenly a waiter came towards you to give you a menu. when you looked up, you were surprised to see that the waiter was Kaiser, your ex.