All Hail Cousin Brother - Chapter 41 - Sowing Discord

Bai Aoxue, the best mercenary in the 21st century, is accidentally sent back to the Chengxi Dynasty in Great Continent due to an explosion in her mission, and trapped in the first daughter of Prime Minister. After her rebirth, she is set up by her father to marry the 5th prince Jun Yeyan who wears a mask all day long.
In the face of bloodthirsty enemies, discord between brothers, collusion among courtiers and invasion of enemy state, can Bai and Jun resolve the crises? What will happen to their political marriage? How will the fierce battle for the throne end?
With many twists and turns, the book brings you to experience palace revolution, love and hatred thousands of years ago.

- Description from Novelupdates

She, Xue Fanxin, a famous medical genius in the 21st century, had transmigrated into the body of the dumb daughter of the Grand Duke.

Xiao Bing, who used to be a top soldier in mercenary and came back to normal life because of the death of his best friend. He started over, played dumb and coped with difficulties. He stood on the bones of others and held beauty by his side. Finally, he succeeded and became the emperor of the city.“Brother Bing, please protect my little sister as well as my families carefully. I feel lucky to accompany you during these 6 years. It is my honor to go through fire and water with you. I’m not regretful!”I’m not regretful!Thinking of what Su Peiya had said before dying, Xiao Bing clenched his fists tightly and cried. He made a decision to protect Su Peiya’s families before finding the spy of Long Men and to make rightful claims for Su Peiya.Xiao Bing did not love Su Peiya, but he regarded her as his only best friend!He unfastened the seat belt when the plane landed safely. Looking at the urn in his hands, he sighed, “We have arrived at Jiang City. You get home now, Peiya.”

Living carefree at home is the greatest shortcut—- My house is the world’s greatest magic power spot, that being the case both my house and I were summoned to another world by some guys who were aiming for it. However, I’ve been living in this place for many years and my body is, apparently, abnormally overflowing with magic. Due to some unforeseen circumstances by those guys who summoned me, they quickly ran away. Be that as it may, there are some ill-mannered people who covet the magic leaking out of my house. I won’t give up my house to those people! I’m going to wield my power as I please!