Yuna, a university student, suddenly wanders into another world and is forced to embark on a life-threatening journey as a saint. A priest, worried about Yuna's lovely appearance, makes her wear a veil, which causes both herself and others to misunderstand that "saints (I) are ugly". While everyone is cold towards her, only the knight escort, Brigadier General Lang, understands her true nature and is kind to her, but Yuna, who has completely lost her confidence, is unable to remove the veil...