Assimilate All Talents - Chapter 20: Goblin Camp

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

This crossing is so strange, death crossing, game crossing, etc. are probably barely acceptable, but why can you cross even if the fish tank is broken?

and actually passed through the magic tree in “OVERLORD” that is said to be able to destroy the world?

No! It is sad enough to regenerate into a plant. The protagonist, Ainz Ur Gong, the undead king, has also accepted the adventurer’s guild mission and wants to kill me!

I want to change my destiny! Live! I want to-surrender!

Ainz: Since he has accepted the job commission from the Adventurer’s Guild, deliberate failure is detrimental to the prestige of Ainz Ul Christine (the “surrender” button has been deducted)

actually died as soon as he crossed, but there is still a chance to return~ from the beginning of the magic tree to this world.

I must change my destiny this time! Live!

- Description from novelbuddy

Lu Zhiguang is not a cannon fodder himself, but his mission is to save the miserable cannon fodder.

A businessman who lost in a business game. A teenager who kept silent under school violence. The actor whose road to fame was ruined by cyber violence. An unknown man who was misunderstood until the day he died.

There can only be one protagonist in every world, so fate hides in the corner sending it’s cold tentacles toward the innocent.

Some people stay silent, some choose to compromise, some are unwilling, and some are fulfilled.

There should always be individuals to hug them.

So the Lu Zhiguang went to hug.

Then people will not let go.

- Description from Novelupdates

Ever since she transmigrated, she was blessed with an inbuilt anti-poison detector.