Marvel: I'm a Symbiote - Symbiote 0267: Compelling Offer

What will happen when a wild, arrogant, and cold secret agent crosses over to the body of a weak and timid young miss of an aristocratic family?

She, Chu Ye, is the CIA agent who grabbed the outstanding title of “Agent 007” after the death of Qian Xie. However, she fell in love with the enemy during a murder mission and died for love.

She, Boling Yili, is the seventh young miss of the Boling family, the greatest aristocratic family of the Eastern Nation, but because of her natural timidity and cowardice and her inability to become a sorcerer, she was regarded by the family as a disgrace and was exiled to a small remote town, where she supposedly died due to suicide and drowned in a pond.

When matters are left unsettled, the heart and body will almost thirst for blood, longing for the wildness and madness and even undergoing change to the point of blurring the fine line between life and death. From the moment Boling Yili’s body was reborn, the Wu Man Continent better wait for they will witness what it means for the sky and the earth to turn upside down!

- Description from Novelupdates

Lin Qing He transmigrated into a novel and became one of its cannon fodders. The novel’s background is non-viable 1960s, a time of want to eat but nothing to eat and want to wear but nothing to wear.

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

To pass as an imperial concubine, one must be professional.

Actually, the profession of an imperial concubine is pretty good. The emperor will accompany you in eating and drinking, and even pay you for it. What’s not good about that?