In Onmyodo, it is said that Shakuzetsu-jin God (Guardian god at the west gate of Oto [imperial capital] of Taisai-jin God [spirit of Jupiter]) employs six Kijin (demon-gods) to send one by one every six days to protect.
陰陽道においては赤舌神（太歳神の王都の西門の番神）が六鬼の鬼神を使役し、それを六日周期で一鬼ずつ遣わして守護せらるという。