The Beloved Fake Saint

Story

Appointed as a saint merely to secure political power for the crown prince, Ariel Celestin knows certain death awaits her if she’s ever found out to be a fraud. Desperate to avoid this fate, she comes up with a plan: secretly flee the temple with the help of the gods who dote on her! But when her actions accidentally draw the attention of the crown prince, the pope, and a powerful merchant, Ariel soon discovers that asking the gods to help might not be a big enough miracle to save herself...

Synopsis via AniList (English).