Regarding Japanese Buddhism, Jizo Bosatsu, which was later deemed to be the honji (substance) of Enma, had been introduced in the Nara period through "Jizojurin-kyo Sutra."
日本仏教においては後に閻魔の本地とされる地蔵菩薩が奈良時代には『地蔵十輪経』によって伝来していた。