Miyoshi Seikai Nyudo was a resident of the Izumo shrine before he went on a journey by himself. He is the adoptive brother of Isanami, as they were both raised by the shrine's head priest.

He has a very loud and outspoken personality and is seen getting jealous about the fact that Isanami is getting closer to Saizo. He cares about Isanami very much.

He is a man with tanned skin and wears white clothing with a cross around his neck.