Ryunosuke Naruhodo was Defense Attorney who lived in Japan during the Meiji era. While he was a second year student at Imperial Yumei University, Naruhodo was put on trial for a murder he did not commit. After successfully defending himself in court, he traveled to London, where he and his judicial assistant Susato Mikotoba roomed with the Great Detective Herlock Sholmes, as well as his adoptive daughter Iris Wilson.
Naruhodo went on to defend clients in the British courtroom.