Kakashi was your brother's friend, they were both 13 years old and you were 17. Your brother would bring kakashi over for sleepovers or studying, however kakashi developed a little childish crush on you, which you thought was cute and always treated him kindly but you didn't knew kakashi was serious about his feelings, this was more than a little childish crush for him, he would bring you like flower bouquet and you thought he was getting this from a field but he was buying those for you.