Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 2 - 2-7. Demon Return

In the year 3021 of the Western calendar, the last world war broke out and the earth was destroyed.
A group of survivors left their homes to settle on new planets. New races, new classes are born. Cities began to be built, countries rose one after another, conflicts between different races intensified, and social order was re-established…
The transformation from a survivor to an aggressor was but a moment.
This is a world where the strong are respected and the fittest survive.
Shang Ping was reborn from the earth in the 21st century to this planet. The moment he woke up, his fate had already begun to change.

Content Labels: Strong Soul Conversion Court Marquis Heaven’s Chosen
Search keywords: Protagonist: Shang Ping ┃ Supporting roles: Solan Edrich, Liu Xi, Austin ┃ Others: future time and space, battleship, interstellar war, rebirth, distant starry sky

- Description from novelbuddy

“Ding!”“Congratulations on receiving the following Unique Skills:-–Appraisal (Basic)–Skill Absorption (Mythic)–Universal Synthesis (Ultimate)”_____________________________________“Synthesis Skills— Swift Sword Strike + Fire Toad's Breath.”“Ding!”“Congratulations! Your Skill Synthesis was successful.”“Your skills evolved into: Azula Sword Strike.‌”“Synthesis Materials— Titanium Runic Sword + Wyvern Bones”“Congratulations! You Synthesis was successful. Your Sword has evolved into Skeletal Dragon Sword.”-----In a heart-wrenching tale of loneliness and despair, Ethan Smith's life has been one of unending tragedy. Orphaned at a young age and tormented by a relentless terminal illness, he spent his final days confined to a cold, confined hospital room.As he takes his last breath, he awakened in a mysterious void, where Ethan is given the opportunity to choose three unique skills that will define his new existence. With millions of options but only three choices, he carefully selects his path, setting the stage for an extraordinary journey after death.Reincarnated into a fantastical world filled with magical Skills, powerful beings, and untold dangers, Ethan must navigate his new life, wielding the skills he chose to survive and thrive in a realm where anything is possible.But the question remains: Will this second life bring him the happiness and purpose he was denied in his first, or will it lead him down an even darker path?

Tan Rou only learned that she wasn’t the Tan family’s daughter when she was seventeen years old. She went from being a rich young lady to living in the slums. The parents she adored belonged to someone else, and this series of knockdowns was hard for a seventeen-year-old girl to accept. She wailed like a child for the sake of proving this was all a lie. The vicious words she spouted had hurt her biological family but she didn’t notice.

She thought the Tan family was her real family despite them seeing her as an eyesore, and was even naive enough to want to befriend the Tan family’s real daughter, Tan Jing. Alas, the latter drugged her drink and arrange for a thug to rape her. Tan Jing even brought their classmates along to catch them in the act so Tan Rou was now tainted for life. After being reborn, she looked down at the man she was stepping on. Tan Rou swore not to be a useless wretch in this life or be bullied to death.

She would stomp on those who wronged her and make it up to her real family. They wouldn’t have had to die tragically on the streets in the past life had it not been for her. Tan Rou turned completely evil after crawling back out of Hell. Everyone claimed that the real young lady was educated and talented, while the fake young lady was arrogant and incompetent. Tan Rou scoffed upon hearing this. She held back her brother from trying to stand up for her. “We have all the time in the world. Let’s just wait and see.” Just as everyone was waiting for Tan Rou to make a fool of herself…

A top-class perfumer, a top scholar, a world champion… The fake young lady’s multiple identities kept getting exposed one after another, bumping her up to number one on the trending search, shocking the world. Wait, where was the promised humiliation?

The big guy dresses up as a lonely and old male supporting character, slaps his face and abuses scumbags to fall in love.
small world:
A scumbag male supporting actor who is lonely and old: learning to love with both hands.
The tyrant male supporting role who left the inheritance to the heroine’s son: the family has the throne to inherit.
The deposed prince: what kind of emperor, when the emperor!
Bingshan ex-husband of a book girl: It is impossible to chase after a wife.
The prince of the enemy country who retreated for the heroine: step on the capital and rule the world.
The pet girl mad demon of the group pet text: I pet myself.
Edible Guide: Quickly cross the routine, capitalize the romance! One cp in one world, if you change the world, your feelings will be eliminated. If you don’t like it, don’t enter. 

Content tags: face slap
Search keywords: Protagonist: Dongchen ┃ Supporting role: My concluding article “The Male Protagonist Doesn’t Follow the Plot [Quick Pass]” “Someone Wants to Take My Gold Finger [Quick Pass]” ┃Others:

- Description from novelbuddy