Boruto: Naruto Next Generations Episode 172 English Subbed Episode Title:A Signature of Fear.Episode Description:Iwabe, Denki and Metal pay a visit to Boruto after he lands in the hospital from overtraining. There, they meet Nattou Nishiki, a young boy who is also a patient. Rambunctious and brash, Nattou easily manipulates the three into getting him an autograph from a certain ninja feared by everyone!. Nattou asks for a signature by Orochimaru. They visit Orochimaru and meet Suigetsu and get into a fight with him. Orochimaru later comes and gives then an autograph and they give the Shinobi card with Orochimaru's autograph to Nattou.