子供を食う夜叉女から守るため鉄の家で育てられた王子が、初めて外の世界を見て出家を決意し、両親や多くの人々もそれに続いたという本生譚。

A Jātaka about a prince raised in an iron house to protect him from a child-eating ogress, who on seeing the world for the first time renounced it, followed by his parents and many others.