Bokuo was well-known for brushing Zen paintings on New Year's Day for distribution to his patrons. This was done for the Year of the Ram.
Seki Bokuo was born in Gunma prefecture. He was Dharma-Heir of Seki Seisetsu and spent many years as Zen master and abbot of Tenryu-ji, a major Rinzai temple in Kyoto. Bokuo wrote numerous books on different aspects of Zen training, and he was a prolific, and talented, Zen artist.