Born to a hair-dresser in Kōchi in 1812, Kinzō studied under Ikezoe Yōsai (池添楊斎) before joining the retinue of a Yamauchi princess on her journey to Edo in 1829. There he studied under Kanō Tōhaku (狩野洞白) and Maemura Tōwa (前村洞和), painters of the Kanō and Tosa schools. Returning after three years with the art name Hayasahi Tōi (林洞意), he served as head painter for the Kirima Family (桐間家), chief retainers of the Tosa Domain. However, accused by a rival of forging a work by Kanō Tan'yū, he was dismissed from his post. Little is known of his next ten years. Subsequently prolific, his surviving works include 70 shibai-e byōbu on theatrical subjects, nine ema, thirteen ema lanterns (絵馬提灯), two emakimono, and seven warai-e or shunga. He also had many disciples.
The Ekin Museum (絵金蔵 Ekin-gura) is located in Kōnan in Kōchi Prefecture. Twenty-three of his Tosa Scenes of Kabuki (土佐芝居絵屏風) are stored in the museum, with two visible through peepholes throughout the year.
- "Former Akaoka Town Byōbu Tosa Scenes of Kabuki". Kōchi Prefecture. Retrieved 29 September 2013.
- Vaporis, Constantine Nomikos (2009). Tour of Duty: Samurai, Military Service in Edo, and the Culture of Early Modern Japan. University of Hawai'i Press. p. 232. ISBN 978-0824834708.
- "絵金まつりの起源" [Origins of the Ekin Festival]. Kōchi Prefecture. Retrieved 29 September 2013.
- Schreiber, Mark (17 August 2013). "Shock-and-awe art fills festival streets with fun". Japan Times. Retrieved 29 September 2013.
- Parent, Mary. "shunga". Japanese Architecture and Art Net Users System. Retrieved 29 September 2013.
- Parent, Mary. "kabuki-e". Japanese Architecture and Art Net Users System. Retrieved 29 September 2013.
- "Ekin Museum and Festival". Kōchi Prefecture. Retrieved 29 September 2013.
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