The 'Nihonshoki' (Chronicles of Japan) describes that Kushitama or Kushimitama (the wondrous, miraculous, or salubrious), and Sakitama, Sachimitama or Sakimitama (the propitious) are part of the elements that constitute Ichirei shikon, suggesting that there had been the idea in the eighth century.
一霊四魂の構成要素の一部「奇魂、幸魂」は「日本書紀」に表れ、8世紀にはその考えが存在したと推測される。