He was adopted by Iwai Tairazaemon, the career-long head of the Kasokan Shuku Barrier Gate Township.
He lived at Ryuhara "Willow Field" in Edo. He learned from Hosokawa Masayoshi, from Naotane and from Kiyomaro, receiving full mastership with Zuzuki Masao. His swords are Kiyomaro style, many resembling those of Masao.

Wide Motohaba with an elongated Kissaki on "Great, powerful and excelling" sword blades. Jitetsu is Itame Hada where the Itame has much Jinie. There will be Nie on Gunome-Midare Ba with Sunagashi and Kinsuji in great abundance.

In Shira-saya, new Nagayama polish, NTHK Kanteisho and NBTHK Hozon papers. 
Mounts are still having first-class restoration in Japan.