The belief of Amida 'if someone believes in Amida Nyorai, he will come and guide the person to the heavens at the time of death' became popular in the middle Heian period, and many raigo-zu were painted.
「阿弥陀如来を信じていれば、臨終に際して阿弥陀如来が極楽に導いてくれる」という阿弥陀信仰が平安中期に盛んになり、多くの来迎図が描かれた。