Career
His most prominent student (and Dharma heir) is Shodo Harada of Sōgeneral-ji, an influential master in both Japan and the United States. Daizen Victoria writes, " helped establish the "Society to Repay the Heroic Spirits " (Eirei ni Kotaeru Kai). In a speech he gave on the matter, Mumon said, "Japan destroyed itself in order to grandly give the countries of Asia their independence.
During the Second World War, while with Seisetsu Roshi, he visited many places of war, and what he saw left him with deep feelings of repentance.
In 1967 he went on pilgrimages to various Southeast Asian countries to apologize to and say sutras for the war dead of all religions, and he taught this posture of repentance to his students as well. Although he knew only a few words of English, he taught many students from abroad and established many strong karmic connections.
He made a pilgrimage to India and at Bodhgaya built a Japanese temple. His disciples settled all over Europe, strengthening his extensive karmic ties with the West.