Abe the Wizard - Chapter 54 - Light Gold Combat Qi

Lyle Walt is a young noble boy and heir looking forward to the day he can inherit his family’s territory. Except around when he was 10 year old, his parents started neglecting him more and more in favour of his little sister, Celes.
On his fifteenth birthday, he is challenged to a duel by his sister to see who will inherit the household and horribly loses, being cast out of his family. Afterwards, he gets treated by the family groundskeepers and receives the family heirloom Gem from him that Lyle’s grandfather had entrusted to him. From there, he begins an aimless journey with his childhood friend and former fiancée, Novem, and the Gem-turned-Jewel that houses the memories, personalities, and Skills of seven of his ancestors.

Qiao Zhao married a first-class noble son from the capital, but unfortunately for her, she wasn’t given a bridal chamber as a sign of her newly married life.

After their marriage, her husband went on an expedition, leaving her alone to take care of herself. After a long time apart, they finally saw each other again, but suddenly, she was shot dead by her husband on the city wall with an arrow.

When she opened her eyes after a while, she saw herself in the body of a kidnapped young girl riding a donkey, racking her brains to figure out how to get back to the capital.

- Description from Novelupdates

When the female support (cannon fodder) slept with the villain, they all had miserable ends.But what about when the female support changes to Xue Xue?The ending naturally becomes different.

Waking up as the most hated noble family in a fantasy world is bad. Inheriting a 50,000 gold debt with a death sentence attached is worse.​But the Sanusi family isn't scared. They are from Earth, and they brought the Industrial Revolution with them.​Now, the magical realm faces a new kind of warfare.Knights vs. Tanks.Mages vs. Railguns.“You have a Dragon? That’s cute. We have Anti-Air Cannons.”​It’s time to pay debts and conquer kingdoms.