The following contains spoilers for Sakamoto Days Season 1, Episode 4, "Hard-Boiled," streaming now on Netflix. As Sakamoto Days Season 1 continues, Taro Sakamoto finds himself with a new mission.

Other than the Shadow Clone Jutsu, Naruto's signature move is the Rasengan, a rapidly spinning compressed ball of chakra that'll blow away his opponents. It's a move that kept growing and changing ...