She was born into a wealthy family - Chapter 634 - was very clear

Lane Allen, an A-rank Guide, got injured on an emergency mission suppressing a dungeon break, and perished in his almost-lover’s arms.As the remaining members of his team continued to fight for their lives, in a fancy apartment in a distant part of the city, a young man opened his eyes.“Phew… That hurt like hell…”“It’s a bit of a shame to switch so soon… But I guess it is what it is.”“Anyway, who should I become next?”Actually, Lane Allen was not a Guide, but rather an Esper with a mysterious Plunder ability! It allowed him to possess other people’s bodies, and steal their awakened abilities. Keeping his real body safe, Lane could enjoy life to the fullest, constantly swapping identities, and doing whatever he wanted without ever worrying about the consequences! How great was that?Except…Damien Lennox grabbed Lane’s arm, and pressed him against the wall, his clear green eyes staring down at Lane intently, as if he could see right through him. “There’s no one else whose guidance feels so harsh and chaotic, yet pleasing at the same time.”It seems that Damien was somehow able to recognize Lane even after switching identities, and is unwilling to let him go?

Jiu Xuan Xian Zunlin also unfortunately encountered the legendary dragon attack when he was robbed and thundered. He returned to his youth and became a high school student Lin Yi. He also found his left hand position and was sealed with a dragon..

Since then, Lin has stood in a new world with a strong attitude, punching the old tyrannical gangsters, kicking and defeating the family.

As a result, a strong newcomer rises and officially opens.

- Description from Uukanshu (translated)

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!

In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future… However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances?

- Description from novelupdates

A decade ago, the first dungeon gates appeared, but some vanished before they were ever conquered. The MC, a low-rank hunter, awakens the Lost Gate System, granting him access to these forgotten dungeons where legendary monsters and artifacts are trapped. Each completed lost gate grants him absurd power, but also reveals terrifying truths—these dungeons are prisons for ancient beings who want revenge.