Izanami was 'the first mortal to die' and she became 'the goddess that rules the underworld,' but stories in which 'the first mortal to die' becomes 'the god who rules the underworld' can be seen in Osiris of Ancient Egypt and in Yama of India.
イザナミは「最初の死人」となり「死の国を支配する神」となったが、「最初の死人」が「死の国を支配する神」となる話は古代エジプトのオシリスやインドのヤマなどにみられる。