A Useless Saint and a Cursed Paladin: I Confessed to Make Memories but I Was Proposed to Instead

Annabel, a saint, carries a healing ability known as "sacred power." However, on an inopportune occasion, her sacred power suddenly and completely reduced. The now-useless Annabel is forced into marriage and her livelihood brought to the cliff's edge. To make memories before her marriage, at a flower festival where anyone, regardless of social status can confess, she confesses her love to a knight who happens to pass by! Sometime later, Annabel, who is satisfied from her confession, and Lucas, the knight whom she confessed to, reveal their desires to marry?! But it's to dispel a curse!