Especially, when the vindictive spirit of SUGAWARA no Michizane turned to Tenjin belief, he was regarded as Tenbu (deities who reside in a heavenly realm, one of six realms in which the souls of living beings transmigrate from one to another) according to Buddhistic logic.
特に菅原道真の怨霊が天神信仰へと発展するに際し、仏教の論理により天部として位置づけられた。