Holder of the Fraternity bead. Kobungo's family runs the Konaya bed-and-breakfast inn, and Kobungo himself is excellent at caring for people's needs. Three years ago, he volunteered as a foot soldier and accompanied his foster brother Genpachi in an army deployment sent to contain an incident taking place in a remote northern village, where the two of them were brutally attacked by man-eating demons. But the brothers came back to life with changed bodies, now able to transform into demons themselves. Kobungo's peony-flower birthmark is on his lower back.
One of the four member of the "Sacred Beast Four Family", he materializes his spirit in form of an Okami (a giant white wolf). He is the one who saved Shino, Sousuke, and Hamaji during the destruction of the Ootsuka Village. He is the one who asks Sousuke and Shino to find the other bead holders for an unknown purpose. He is cold and calm, but he most likely had a close relationship with Shino in the past, as shown in he and child Shino holding hands while walking. And he, in fact, cares for Shino a lot. Rio doesn't smile a lot, but he once smiled gently while gazing at the sleeping Shino, which was an inspiration for Daikaku to finish his dolls.
He is a traveling dancer who accompanies Kokonoe. Two years before the start of the series, a man resembling Sousuke destroys his village and kills his family. When he first meets Sousuke, he attacks him thinking he is the person who attacked his village. He looks a lot like a woman but is quite strong that even Shino remarked on it. Kobungo once had a crush on him without knowing he was a man. Two years ago, he was attacked by Ao, Sousuke's shadow. Ao took Keno's heart and left, but surprisingly, Keno still survived until Kokonoe came. Kokonoe took interest on Keno's strange condition, and she gave her heart to Keno. Since then he had continued to pursue 'this man who took everything from him'.
He is a member of one of Kemonotsuki Houses, possessed by Kaede, the Hinozuka Family's Guardian Beast in the form of a cat. (Source: Hakkenden Wikia)