Marriage contract: Genius baby's belly daddy - Chapter 1

Liu Duo was a young girl whose grandmother sold her to four brothers with the intent to be a bride. Unwilling, she ran away the following night, only to fall unconscious while trying to get away. Unexpectedly, however, she was reborn with the spirit of a 25 year old woman, also named Liu Duo.

- Description from Novelupdates

The world has turned into a hell, a place where the strong thrive!

The daughter of a duke, the stuttering Maximilian, married a knight of lowly status at her father’s coercion.

Fifty years ago, Dragon City transmigrated to the Other World. Alone in the world, they lifted the banner of Earth’s civilization and fought against the terrifying forces of the Other World.