After working as an assistant to Kimio Yanagisawa, he made his debut in 1972 with the story "Love Love Kappa Great Maneuvers" for Bessatsu Shonen Jump, being awarded two years later with the Tezuka Award.

In 1981 Shonen Magazine hits for his most famous series, "Warm Chest After School", which will be made into a film and TV in 1982 and 1983. Other successes Murao be brought to the screen "Minute Heat My Love", "Marriage Game", "Fashion Health Story," "Circle Game", "Women", "Xenos", "S and M" ... He also once worked as an animation designer for the series compilativa "Youth Animation Complete Works" in 1986.