Multicrossover: I Took Utaha's Virginity At The Beginning! - Chapter 6 - 5: The First Boy to Actively Join

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

In the last life, Lin Yu Tong chose to fly with Shen Jun for his own happiness, whereby he ended up creating an irreparable regret for a lifetime. However, such a contribution has not been able to exchange the happiness of a lifetime. Shen was derailed and Lin Yu Tong had an accident.

The main character Lei Yu does not have the ability to practice his family’s martial arts. He gets stepped on and tossed around. Due to certain reasons, he leaves the family, coincidentally gains an ability, and makes his own path to becoming an immortal.

- Description from Novelupdates

“Want to know the meaning of life? Want to live… a real life?” The world changes when you click YES. In God’s dimension, you have to keep getting stronger, keep evolving to survive one horror movie after another. Do you kill everyone in your way to reach the end as a lone king? Or fight along with your comrades and survive through the support of friends? Everything was just for staying alive. Until you find the secret of God’s dimension. Who is the real enemy?