Solo Dungeon Streamer-I Am Overpowered - Chapter 7: Unexpected Encounter

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

Harem Dynast is the story of a princess set up in a political marriage with King Lorent, a great conqueror who is often mentioned in the Harem novels.

One day, Jiao Bai went home and passed by the small bookstore, walked in. The boss recommended a batch of new goods to him with a fatherly face, all of which were rotten. He went home happily, but was hit by a car at the intersection in front of his house, and as soon as he opened his eyes, he was in a BE scumbag.

Hehehe. Jiao Bai folded his hands on his stomach, lying on the big white bed with a peaceful face, he dressed as one of the candidates… of the little stepmother of that scumbag. Oh, by the way, the protagonist in the manhua, the cheap Shou, is the white moonlight of the character he passed through. Now, washing up in the bathroom is an old friend of the protagonist gong’s dad, and next door is the slag gong’s dad and his old friend’s ‘Little Pepper’.

- Description from Novelupdates

Lucien, a guy who has nothing but the desire to save his mother. To get strong enough, he makes a contract with the demon of L.u.s.t. And now, only by making a great harem, will he gain the power to protect those dear to him.