Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 1 - 1-8. The Demon, the Knight and the Magician

In the 21st century, she was the talented leader of the hidden family clan, once she crossed over, she became the number one waste?

10 years ago, after “the Gate” that connected the real world with the monster world opened, some of the ordinary, everyday people received the power to hunt monsters within the Gate. They are known as “Hunters”. However, not all Hunters are powerful. My name is Sung Jin-Woo, an E-rank Hunter. I’m someone who has to risk his life in the lowliest of dungeons, the “World’s Weakest”. Having no skills whatsoever to display, I barely earned the required money by fighting in low-leveled dungeons… at least until I found a hidden dungeon with the hardest difficulty within the D-rank dungeons! In the end, as I was accepting death, I suddenly received a strange power, a quest log that only I could see, a secret to leveling up that only I know about! If I trained in accordance with my quests and hunted monsters, my level would rise. Changing from the weakest Hunter to the strongest S-rank Hunter!

The good-natured Hou Yuxiao arrived in a martial arts world clearly divided between good and evil with a magical dual-colored lotus flower and became the Family Head of a small, insignificant Demon Path family in a county town, overseeing three younger brothers and a sister.The second brother was hot-tempered, the fourth brother was prone to fratricide, the youngest lived amongst the Demon Path but spent all day studying Confucian classics, and the only sister turned out to be a...Looking at the four problematic children, Hou Yuxiao fell into deep thought!It was a time of great contention,with Dynasties desperate for virtuous talents, seeking to stabilize their reign over The World,with sects dominating certain regions, aspiring to tower over all living beings,with families carrying on centuries of legacy, aiming to pursue happiness forever,with gangs reigning supreme, striving to build everlasting power,with academies resolving doubts and imparting knowledge, hoping people would promote the practice of farming and reading to future generations,...Thousand-Faced Handsome Man Hou Yuxiao, Black Extinction Demon Blade Hou Yucheng, Nation-Topping Demon Consort Hou Yuling, Blood Sword of Sunrise Hou Yujie, and Saint-Overturning Demon Confucian Hou Yuduan...Years later, looking back, the Hou Clan had already ascended to the pinnacle.

Some say he is the bad apple in a basket, that he’s rotting everything around him with disgrace and corruption.

Some say he is the biggest scum of the South Zhanbu Continent, that he’s colluding with the dark sects to cheat, steal, and commit all manner of atrocities.

Some say he is the most wanted playboy. “Lock your daughters at home to keep Fang Xing away!”

To all of those people, “That’s right, I am that big rotten apple. Any problem with that?”

This brand of anti-hero is a young orphan with poor prospects and nothing more than the keepsakes of his uncles. He plots, schemes, and orchestrates all manner of villainy in his quest for power and revenge, unafraid to live precariously and make enemies out of those he really should not.

- Description from Novelupdates