MTL - Young Man, You Are Too Young, Too Simple - Chapter 30

Mo Chu was reborn. She opened her eyes to find herself in a world where a thousand years had passed. The docile animals and plants became very aggressive, and elemental abilities that existed only in stories and legends now appeared before her eyes! Fortunately, upon waking up, Mo Chu gained a nice-guy brother who had a sister complex. Unfortunately, she had a one-in-a-million sensitive constitution, so she couldn’t consume 99% of the available food. However, there would always be a solution. If she couldn’t eat the food of this era, couldn’t she come up with new food? And so, she made fries, grilled fish, beggar’s chicken, and various other delicacies that were not available in this future world. As a glutton, Mo Chu was satisfied with this outcome. However…

In her previous lifetime, they had married for five years. He meant everything to her, but she was thrown away like an old shoe.

After her rebirth, she gave him a divorce contract preemptively—

“Divorce after one year, the terms of the contract are as follows: husband and wife shall not share a room or bed. Intimacy forbidden?”

He raised his eyebrow.

Who knew that after she got drunk one day, leaning on the headboard, he rested his deep-set eyes on her. “You broke the contract, Mrs, Li.”

- Description from Novelupdates

This stands at the forefront of strategy guides to Life (a shitty video game)!

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