One day, Ruri, an ordinary nursery school teacher, is suddenly enveloped in a dazzling light at home - when she opens her eyes, she finds herself in another world... She has been transported to another world! While she is at a loss, a shy little girl named Lina somehow takes a liking to her and assigns her to be her tutor. She starts working to make ends meet until she can return to her original world, but this time she awakens in herself extraordinary magical skills...! Could the "third saint" she has heard rumors about be her?! The long-awaited first volume of this fantasy story set in another world about a saint who wants to be comforted by little children!