Leading up to the 32nd competition in 2016, Nagano formally announced his retirement from Sasuke, with his "last run" making up a significant portion of the broadcast and promotional material for the tournament. This involved several gifts from fans and fellow competitors alike, including a "finish" button normally found at the end of the courses. Additionally, a special retirement ceremony was held following his run, concluding with his friends and fellow competitors throwing him into a water pit, mirroring his total victory celebrations in Sasuke 17.