Also spelled Takagi, Ryou.
Also writes under the pen-name of "Hazuki Ryouka".
Ryo Takagi, a much-loved author in the yaoi genre, is most known for her series "Kirepapa", which was developed into a drama CD and in 2008, an OVA. She made her debut with a comic called "Okome-chan". "The Devil Within" is her first manga to be published in the U.S.