This hexagonal brick building with a mosque-like dome was built for the Shinshu Shinto Life Insurance Company in 1912. It was designed by Ito Chuta. He was one of the leading Japanese architects of the 20th century. The entrance is flanked by stone, mythological creatures called cryptids. Since 1973, the Honganji Dendo-in building has been a research center for the Nishi Hongwanji Temple. The unique structure is a Kyoto City Designated Cultural Asset.