After his mother died of illness, Ryunosuke lost the reason to support himself to live. Displaced, he chose to go to Kyoto, But on the way, he was attacked by the rogues sent by the king to fight against the barbarians, and all his belongings were robbed. With neither food nor money on him, only to die, Ryunosuke met Serizawa Kamo, one of the members of the Langshi group on the way to Beijing. Although unintentionally, After Ryunosuke was taken in by Serizawa, he began to act together with him. And their temporary residence is The stronghold of the murder group called "Shinsengumi" from now on. Ryunosuke originally hated "samurai" because of his own growth experience, Now I'm surrounded by people who aspire to be warriors. In the process of living with them and gradually understanding their dreams and aspirations, Ryunosuke's stubborn heart has also changed. What is the "samurai" they want to be? Where is the "road" you want to walk on? This is a hidden behind the turmoil at the end of the Tokugawa period, The story of the unknown boy——