Obito x Kakashi
What if Obito left young Kakashi a little bit later after he "killed" Rin. What if Obito's dad was Madara. What if Kakashi's dad had 2 sons one was Kakashi and the other is non-other than the legendary Tobirama the second Hokage. What if after Obito "died" he pretended to be some one else and became Kakashi's "new" be...