Mushoku Tensei - Volume 1 Chapter 5 — Magic and Swordsmanship

The mentally disabled 13 year old daughter of the Ye family, one day re-births! She rules over the Omnipotent God’s Cauldron, she possesses a spirit cultivation space. She’s no longer the good-for-nothing, abandoned girl who everyone bullies whenever they see her! With her incomparable poisons, even miracle doctors have to move to the side.

Spirit beasts beg for contracts, but too bad, even the God of Beasts have to call her Boss. Scum father, you dare to abandon your wife and daughter, she will surely make him destitute and homeless. People of the world, you dare to bully her, to insult her, she will definitely pay them back a hundredfold.

Reborn again into the world, she returns as a sovereign, but who knew she would attract the nefarious-blood-thirsty-demon him. He’s definitely the sly emperor who doesn’t hesitate to kill and cut down anyone, but he transforms into a harmless foolishly cute prisoner prince of an enemy country……

“From today onward, you’ll take your brother’s place and take over the inheritance of the Gu family!” With her mother’s declaration, she became her twin brother’s substitute.

Dressed as a man, but unwittingly enticed a lot of sisters!

Incidentally, she also captivated the younger sister of the most powerful authority in China, shouting to marry her!

Ming Shao was furious: “From now on, you will follow me. I will train you to be a qualified brother-in-law!”

Since then, she eats with Ming Shao during the day and lives with Ming Shao at night.

She has always thought that Ming Shao treats her as a prospect brother-in-law, but one day, Ming Shao pushed her down the bed and plundered her mouth!

Hey! Didn’t he say he wants her to be his brother-in-law, how come he turned into her boyfriend?

- Description from Novelupdates

One morning, after being bound to the system, MC started his routine of always being captured/ attacked by the ML.

Fate, a gatekeeper who had been working for the castle, is beset by a few burdens.