This is a pseudonym used jointly by the screenwriters Masayasu Oebara and Koji Matsumoto. They're credited under this name on various films in Nikkatsu's Roman Porno series.
Biography：This is a pseudonym used jointly by the screenwriters Masayasu Oebara and Koji Matsumoto. They're credited under this name on various films in Nikkatsu's Roman Porno series.
