The Side Character’s Hidden Boss! - Chapter 384 - The Chinese Five Elements

A story of time-travel. Sly and cunning, she unexpectedly became a sickly noble lady whose fiancé is merciless and demotes her to a lowly concubine. She sneers and bravely breaks off the engagement. To hell with scumbags, marry heirs to lords, blind the courts with her brilliance.

I, Aristides Castro G Morris Brooklyn Washington Napoleon George I, doth proclaim myself as the sovereign of this realm. Our untimely demise hath been the consequence of preserving our people from impending doom. To reward our noble deeds, the gracious goddess hath bestowed upon us the gift of rebirth. Yet, alas! Why have we been transformed into a maiden, and a princess of dragons, no less?!This extraordinary story follows a man haunted by Eight-Grade Syndrome, now reborn as the dragons’ princess. However, his chuunibyou tendencies come with a price—a curse cast upon him by a vexed goddess. Every time his symptoms flare up, lightning strikes, an electrifying consequence of his behavior.Prepare for a captivating journey as this chuunibyou princess navigates the realms of dragons, adventure, and self-discovery. With lightning crackling at every turn, our protagonist must embrace their newfound identity, face formidable challenges, and uncover the secrets that lie within this enchanting world. In this tale of curses and resilience, embark on an enthralling adventure where destiny and the whims of the divine intertwine.

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

Elena, who spent her entire life as a cold-blooded female knight to avenge her family, ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction.