Golden Kamuy

Season 2, Episode 4: The Great Plan to Infiltrate the Asahikawa 7th Division!!

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Shiraishi is captured by the 7th, though Hijikata and Kiroranke attempt and fail to rescue him. Tsurumi meets his old friend Lt. General Arisaka, a weapon designer who gives Nikaidō a false leg that can fire buckshots. Hijikata introduces his companions to Kiyohiro Suzukawa, a con artist and tattooed prisoner. Suzukawa disguises himself as Shirosuke Inudō, the warden of Abashiri Prison, in an elaborate plan to rescue Shiraishi.