Boruto and Mitsuki are sent to the shinobi prison, Hozuki Castle, to protect an inmate who is a former member of a group known as the Mujina Gang.

Cast: Yûko Sanpei, Kokoro Kikuchi, Ryûichi Kijima, Junko Takeuchi, Shôtarô Morikubo, Satoshi Hino, Anri Katsu, Akio Nojima, Takayasu Usui, Masanori Takeda, Ryouta Suzuki, Riki Kitazawa, Dai Matsumoto, Naoyuki Shimozuru, Makoto Ishii