Career
He was a long-time resident of Koishikawa, Bunkyō, Tokyo, Japan. He made his professional manga debut in 1963 with his story Shinjuku BlackBerry (新宿B·B, Shinjuku Bebe), published in Weekly Manga Times. Hara was the oldest son, though he had an older sister.
His father died of tuberculosis before he was born.
Hara died of liver cancer on 10 November 2006 at a hospital in Fujimi, Saitama Prefecture.