He can only do this while in sage mode, and his sage mode has worn off (remember when Preta Pain had him in the Half Nelson, and he just pumped Sage energy into it (after Preta Pain absorbed his prevoius sage mode).
BTW, naruto wont stop growing tails in my opinion, (he'll just turn into full 9 tails)
Imagine if a girl u knew for 4-5 years, that you saw everyday, and she was one of ur friends, and was just under the "radar," and suddenly one day, u get jumped in an alley by 6 mindless thugs being controlled by a gang leader from his hidden strip club. And then the girl u knew (who secretly admired you) comes and tries to save your life, and gets killed at the hands of your enemies. Also, lets say you were a half-Saiyain and half-human, I bet you'd go SSJ2 and rip them nukkas apart. I naruto was like "HE TOOK MY FREE PUSSY ZOMG," and basically raged because of that too...
Ohhh and dont get me started on Neji...he's basically a legendary character (in my opinion), who's gonna be even more pissed that his cousin got killed (if she really is)...Him and Naruto gonna do some portara earring or fusion dance action and rip a hole through pain...
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