Year of birth unknown-Year of death unknown

His name is Iwai.

He is thought great king of ancient in the Kyushu region that extended power to about half of the Kyushu of north side centering on Chikushi plains. but the system of centralization was advanced by Yamatochoutei and the power of Yamatochoutei was extended for the entire Japan centering on the emperor and it is thought that Iwai of a great king in Kyushu had a large war between Keitai emperor of Yamatochoutei at 527 year.