After Clean Up of the Reincarnated Saintess

Aura, a lonely girl, finds herself the reincarnation of a great saint. The great spirits who once loved her were in the dark, lamenting Aura's death. In order to save the beloved Great Spirits, Aura joins the special task force of Prince Leonhard. This is a thousand years later.” https://ebookjapan.yahoo.co.jp/books/865119/?type=serialStory