IRIS - Lady with a Smartphone

Betrayed and murdered by her own husband and family, Iris's life flashes before her eyes - including her previous one in modern times! With this new knowledge, she returns to before she was ever married. Determined to get revenge, Iris seeks help from the most eligible bachelor in the empire, Duke Valenciaga. His unexpected proposition for her: "Go out with me." Why did he pick her, and can this arrangement help her quest for vengeance?