The protagonist of The Great Ace Attorney Chronicles, featuring The Great Ace Attorney 1: Adventures and The Great Ace Attorney 2:
Resolve. He is a lawyer coming from Japan during the Meiji era, where he travels to
Great Britain to study law and become a lawyer, to fulfil his best friend, Kazuma Asogi's promise to travel to
Great Britain to study law and come back to Japan to change their homeland's courtrooms. He also carries a sword named Karuma, which previously belonged to Kazuma, however, ever since his supposed death of the SS Bruya in the Adventure of the Speckled Band, case 2 of The Great Ace Attorney 1: Adventures, he has been in possession of it, until at the end of The Return of the Great Departed Soul, where Kazuma regains his memories and regains his sword back. Accordingly, Karuma contains the soul of the Asogi clan, which Kazuma treasures a lot, and is grateful to Ryunosuke for safeguarding it all this while. It is after The Resolve of Ryunosuke Naruhodo that he gets it back, and returns to
Great Britain along with his judiciary assistant, Susato Mikotoba.
