Owari no Chronicle - Volume 1, Chapter 11: Her Fingers

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

[You can now choose three of the following seven options
1. Go back to five years ago with the present memory
2. Five centimeters taller
3. Seven million deposits
4. Appearance +50 points
5. A company with a market capitalization of 500 million
6. Proficient in a foreign language
7. Teaser live broadcast 10 million virtual coins]

Li Ang became angry after finishing the selection: choose every day, choose, choose, you will give it after the selection!
…
Fuck, it’s really shipped!

- Description from novelbuddy

After transmigrating to the parallel world of Blue Star, I, a top influencer, being exposed of having multiple girlfriends?Awakened a system, and the system has a kind of performance card prop which, when used, directly adds to performance?Fans:“Haha, it's good that this dead scrub was exposed, such a person should fade into obscurity!”“No way, how did this dead scrub's album break nine million sales, are you guys sick? You drop your fandom yet still buy his albums?”“What, the dead scrub's online store exploded in sales? It's all fans buying? What kind of crazy fans are these, get out!”“Ah, he broke five billion in box office now? The industry is buzzing about his fans being the top in breaking ranks?”“What happened to swearing off being fans and blacklisting him for life? Is this your idea of blacklisting!?”

Amamiya Hiroto is unlucky. His life consisted of misfortune after misfortune, culminating in an unlucky death during an incident on a school boat trip, trying to save a girl he barely knew. After death, he met a god of reincarnation who requested that the hundred or so dead passengers—one of them being the girl he tried in vain to save—be reincarnated into another world.