Original: ; also known as Wakayamatonekohikooobi no Mikoto ; is the 9th emperor of Japan , Imperial Household Agency ( Kunaich ) : (/O9/O) according to the traditional order of succession .
Simplified: The Gukansh records that Kaika ruled from the palace of Isakawa-no-miya at Kasuga in what will come to be known as Yamato province .