The Prince's Devious Bride

Nora Shaw is forced to transmigrate into a historical novel as a side character killed off early. She must survive to return to her reality. The system grants Nora Shaw a time-pausing ability. To escape being buried alive with her short-lived husband, Nora uses her ability, protecting her husband's health. Her husband is Prince Julian, a healthy war hero. They team up to take down adversaries, develop feelings, but face separation.