Koya Shingon is produced by the Taiwan Koyasan Shingon Association.
And it was recorded by the young monk Yuan Chang on his way to the Garan Jindo in Koyasan, Japan.
Content included
1. Bright Mantra
2. Mercy Salvation Mantra
3. The Mantra of Medicine Master Tathagata
4. Kobo Daishi Imperial Treasure
5. Huixiangwen (Minister of the Koyasan Shingon Patriarchal Association: Kato Eitoshi recited)