A manipulative and powerful figure behind the study of the inugami and cell 23. While he doesn't mind the research of the cell, his main goal is to reach Tokonoyo, a heavenly realm in Japanese mythology. He also wishes for the evolution of mankind into a greater being. Kiryu has the ability to control beings such as inugami, like Zero, but this causes his head to bleed. His daughter has inherited most of his powers. He is often with Mr. Date and has personal bodyguards.