Ryu Keiichiro was a Japanese screenwriter and novelist born in Akasaka-ku, Tokyo. His real name is Ikeda Ichiro. He graduated from the Department of French Studies, Faculty of Letters, University of Tokyo.

During the war, he departed as a student soldier and fought in mainland China as an army officer. After the end of the war, he returned to school and graduated from the University of Tokyo in 1948. After graduation, he joined Sogensha. He also worked as a university lecturer for a short time. Around 1950, he taught French as a lecturer at Rikkyo University and an assistant professor at Chuo University until 1959.

In 1957, he started working as a screenwriter. Initially, he wrote scripts mainly for Nikkatsu movies such as "Hino Ataru Sakamichi."

During his time as a screenwriter, he worked on a wide range of works, both movies and TV dramas, and was one of the leading screenwriters in the history of postwar Japanese TV dramas until the 1970s. His representative works as a screenwriter are the movie "Ni An-chan" and the TV drama "Onihei Hankacho."

He died on November 4, 1989, at Tokyo Medical University Hospital in Shinjuku-ku, Tokyo. His cause of death was cirrhosis. In the same year, he won the 2nd Shibata Renzaburo Award for "Ichimuan Furuyuki." Edit Biography