Jusanbutsu shinko refers to the belief in Juo, ten kings, who are judges in Meido hell including Enma-o (the King of Hell) who were created in Japan based on the Juo-shinko (ten Kings (ten Judges of Hell) belief) and in buddhas, according to the Honji-suijaku setsu (theory of original reality and manifested traces), whose present forms are judges who conduct the later trials (the sixth, the twelfth, and the 32nd anniversaries).
十三仏信仰（じゅうさんぶつしんこう）とは、十王信仰に基づき日本で創作された閻魔王を初めとする冥途の裁判官である十王及びその後の審理（七回忌・十三回忌・三十三回忌）を司る裁判官の本地垂迹説とされる仏に対する信仰である。