After Buddhism was introduced, Shinkoku was taught by the Mononobe clan who believed in Shinto, however the conflict between the belief of Shinkoku and Buddhism were temporarily eased after synchronization of Shinto with Buddhism was introduced.
仏教伝来直後は、物部氏など神道を崇拝する人々によって唱えられた事もあったが、神仏習合の普及以後は一時的に対立は緩和していった。