MTL - Global Beast Taming: My Battle Pet is Double of Others - Chapter 465

Excerpt:“Are you satisfied?” he asked, walking to the fire where she already sat. “Can you yet call yourself the greatest knight?”“Not until I can beat you,” Irene argued.Despite how serious he looked only moments before, he cracked a smile.“But you saved my life,” he insisted.Synopsis:With a second chance given to her after a pathetic ending to a life she didn’t want, Irene Litharion decides that she will follow in her father’s footsteps and become a knight.Waking up in the body of her eleven year old self, she’s reinvigorated to follow her heart. She has the rare blood of ancient warriors in her veins and promises to not turn her back to it anymore.Prepared for the sacrifices she will have to make to live the life she wants, a new challenge is presented when the only way she can become an apprentice knight is to turn her back on femininity altogether. The years she spent being forced to attend etiquette lessons go out the window and instead, daily sword practice takes place.Her father does all he can to get her into the knighthood, but it’s up to her to show her strength and skill to stay in it.However, it’s different than she expects when the Monster War ravages her homeland, she learns the sting of loss, and secrets of her own blood present themselves the more she leans into the thrill of battle.

She shouldn’t have got drunk, so she wouldn’t have court the troubles.
She slept with a handsome man and would be sent to the police?
Oh, my sweet Jesus…
“So you just ran away like nothing happened after you slept with me?”
“Old jerk! Even if I had the initiative, it was you who took advantage of me!”
As a saying goes, the more spoiled a president gets, the more likely he becomes a scumbag.
An adorable ‘wildcat’ vs. a scheming frenemy.
This was a love rivalry between a modern Cinderella and a Big Boss.
As time flew, the world was like a fleeting show.
When they met again after several years of separation, he held her hand tightly and swore that he would never give her any chance to leave him again!
Finally, he asked her to marry him and pampered his cute wifey with his endless love.

- Description from Novelupdates

There was a Senior Brother and a Junior Sister. One of them was transmigrated to this world and had cheats while the other was the reincarnation of a Great Emperor.

He was the cold-blooded prince of the Jin country. Decisive and smart, he had looked down on the world with apathy and disdain.