Genra was the master of the Hajinmon sect of the Mugen Tenshin clan and Ayane's foster father, who first appeared in Dead or Alive 3 as the super-human weapon Omega. After Ayane was given away by her mother Ayame at birth, Genra took the girl in and became her father and master, teaching her Hajinmon style ninjutsu. Before the third Dead or Alive Tournament, he gave himself to the Dead or Alive Tournament Executive Committee, and let himself be experimented on, turning him into a heartless weapon of destruction.