is a Japanese science fiction writer.
His debut as a writer was in 1985 in Hayakawa SF Magazine. In 1988 he won the Seiun Award with "Mountaintop Symphony". He is known for his unique style, influenced by magic realism. His most famous work is the series, a western-like science fiction of seven volumes (published in 1987-1989).
He is a graduate of Musashi University.