Ômoto Yasushi was born in Hokkaidô, and Hokkaidô has remained the main focus of his work ever since he started exhibiting with the Nihon Hanga Kyôkai in the 1950s. His teacher was Fumio Kitaoka, and he became a member of the Nihon Hanga Kyôkai in 1973; he became its main representative in Hokkaido. In 1980 he travelled to USA, where he demonstrated woodblock printing techniques.