Quote Originally Posted by Y View Post
I disagree, because not only would it make no thematic sense in a Shounen comic for the protagonist's childhood friend who went dark to be unredeemable, but it's actually against Jump's publishing guildelines to murder children, so this story resolution would be impossible.
But... Tsunade's little brother was murdered.
Anyway, irredeemable in the sense that he has to be subjected to Naruto's friend-power-no-jutsu after a near-death experience by both parties, which subsequently concludes the whole damn story.