Tannishou wo Hiraku  

Unlocking Tannisho, Opening the Tannishou, 歎異抄をひらく

The story follows Yuien, a young individual who encounters Shinran, a Buddhist monk, during one of his teachings. Impressed by what he learns, Yuien becomes Shinran's disciple, and they embark on a journey together. Along the way, they encounter various emotions, including joy and sorrow.