MTL - Vicious Male Partner is a Girl - Chapter 7 sibling discord

For decades, the brave warriors of the Northern Army fought to keep the world safe from the evil Silent Night. But when the fourth-generation leader, Jin Kwan-Ho is accused of colluding with the enemy, he is forced to disband the sect and commit suicide to protect his son, Jin Mu-Won. With no family and allies left, Mu-Won leads a dreary life under close surveillance… until a surprise attack from the Silent Night gives him a chance to escape to the mountains.

There, the young warrior trains to master the fighting techniques of his predecessors, before the mysterious disappearance of a loved one brings him back to the mainland. Follow Jin Mu-Won as he embarks on a journey to avenge his father’s death and take down the villains who threaten to plunge the world into darkness!

She’s somehow ended up transmigrating into the book as the supporting female lead, who was beaten to death! Deeply in love with the male lead, she’s fated to be beaten to a bloody pulp before even holding hands with him?!

First things first, she needs to survive and latch onto the big thigh of a patron. But the supporting male lead is a true gentleman and feels nothing for her stunning, alluring body. That’s alright! She’ll latch onto the old madame or the male lead then!

But why does the supporting male lead look at her with increasingly odd eyes? And what of that Wulin Alliance Head with the personality disorder? You’re just a random bystander, what are you getting involved for??

Finally, the male lead could bear it no longer and dragged her back to the Prince Li Manor…

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

In the world of Norse mythology, a human boy falls in love with Waltraute, the fourth Valkyrie sister. He wishes to marry her, but Waltraute gives him an impossible challenge to deter him.

Nevertheless, the boy is determined to carry out the dangerous task and to marry Waltraute afterwards.