Meiji Gekken: 1874

In the turbulent aftermath of the Aizu Domain's defeat, Shizuma Origasa, a former samurai, grapples with the harsh realities of life as a rickshaw puller in Tokyo. Haunted by the loss of his fiancée, Sumie Kanomata, the sister of his late friend Gennosuke, Shizuma is determined to find her, navigating the complexities of a rapidly changing society.

His life takes a turn when he thwarts an assassination attempt, catching the attention of the local police. Seizing this chance, Shizuma embarks on a quest not only to uncover the truth behind Sumie's disappearance but also to confront the intricate web of political intrigue that surrounds him. As he encounters loyalists, rebels, and enigmatic figures from the underworld, including the elusive yakuza member Kyoushirou Shuragami, Shizuma must navigate danger and deception in his relentless pursuit of justice and love.