The black knight, Quill, is suddenly asked to marry the country's saint, Linetta Celies. Wanting to escape the marriage proposal, he accepts the mismatched proposal, but she has lost her emotions as the price of her role as a saint. His days with Linetta, whose emotions are unreadable and who is like a beautiful doll, unexpectedly stir his heart...? When a knight who has given up on faith meets a saint who has forgotten how to think, fate begins to quietly waver.