'The True Construction') is a Tenrikyo-based shinshūkyō (Japanese new religion) that became formally independent in 1962 under its founder, Ōnishi Tama (大西玉).
In 1962, Honbushin (ほんぶしん), led by Honmichi founder Ōnishi Aijirō's daughter Ōnishi Tama (大西玉; 1916–1969) (whom Aijirō and Honbushin followers claim was the reincarnation of Nakayama Miki), separated from Honmichi.
Ōnishi Tama died on September 1, 1969, and religious authority was passed onto her son Takeda Sōshin.
To the east of the Kanrodai is a worship hall (再生殿) adorned by a large spherical sculpture on top, while an observation deck can be found to the south of the Kanrodai.
In the United States, the Honbushin International Center is located in Mililani, Oahu, Hawaii.