Board Thread:Theories and Speculation/@comment-26998824-20160103023450/@comment-24824859-20160104004003

Probably for the same reason that a Fireball doesn't internally burn a ninja, or Chidori doesn't shock the user: because otherwise the jutsu would be pointless. Not disagreeing with you, but why is it that Naruto was affected by his own Rasenshuriken at first?