Kyoukai Senjou no Horizon - Volume 6B, Chapter 38: Ruler of the Common Ground

One day I got a younger sister.Only I know her true identity.

She is an expert in medicine, the only daughter of Yun Tian, Yun Valley’s master.

Her parents died, leaving her alone in this world. She fell from heaven to hell. She had a marriage prospect but her future husband broke it off. The entire world view her as a joke.

She blossoms in Feng Yun Hall, with unparalleled wisdom and startling beauty.

Against all the people eager to make a move, she lifts her hand first. Kill the chicken to warn the monkey.

But nobody knows that the soul within her has long been replaced by someone from another world.

She has no regret in the past life and originally plans to live an idyllic life, but because of the same question from the past life, she gives up the peaceful life and steps into the power struggle for imperial power.

- Description from Novelupdates

Tang Shaoyang, an orphan who dropped out of the middle school to fight on the street as he found out school was useless for a penniless orphan like him.

Tang Shaoyang dropped out of his school, fighting on the street, and made a name for himself. Berserker Tang from Youyouliucun.

Afterward, Dragon Wing triad recruited him and everything was good for him. Even though the public deemed him as a tumor of society, Tang Shaoyang was having a decent life. Until one day, everything changed as an absurd and strange game started.

[… Game starts! Stage one: Survival for The Fittest!]

After the game started, zombies appeared out of nowhere.