S01E01 Kodoku
Unable to support his sick family as a samurai in the modern Meiji period, Shujiro enters a dangerous tournament that promises a huge cash prize.
The organizers bet on which contestant will reach the next checkpoint first. Shujiro shares his past with Futaba, then reunites with his estranged sister.
In the early Meiji era, Shujiro, once known as an undefeated samurai, decides to participate in a deadly survival game to save his family and villagers.