Reboot Sienna - Chapter 156 - Live to Sienna Pt.156

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

In a world where power reigns supreme, Zoey Monroe was born with nothing. Labeled “Mana-less” in a society of Hunters, she was the stain on the prestigious Monroe Family, a shame to one of Sunrow City's most powerful bloodlines. Ridiculed, ostracized, and treated as less than human, Zoey endured years of scorn.Until one day, at seventeen, she made a choice—to leave it all behind.Six months later, struggling to make ends meet in the city, Zoey’s life takes an unexpected turn. After another grueling day at work, she returns home, only to witness a dungeon rift tearing open behind her apartment.Drawn by curiosity—and the desperate hunger for change—she steps inside. But the dungeon is merciless. Death looms over her, suffocating, inevitable... until—[Enough Mana Has Been Accumulated!][Error! A mysterious system has already been bound to the host. Adjusting...][Ding! Installing the A Hundred Times System!]In an instant, Zoey's fate is rewritten. From outcast to overpowered, from weakling to warrior—the path to greatness has begun.This is her story.

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.

(Based on LN) Tanya von Degurechaff - once a soldier of the Empire fell in the battle unfairly through that being shameless intervention.**Cursed Being X!**The promised destruction of the soul, and so called last reincarnation is a lie by that being. Tanya - or her new given name Tsuyu Uzumaki found herself in the world of Shinobi - with fox-skinned Godzilla named Kyuubi destroying the village on the day she and her twin brother Naruto were born.Tanya once again curse Being X in her heart because she knows this world is far more dangerous than the last. But that does not stop her from her goal of being able to sit on top and leisurely enjoy life. Therefore, she will rise through the ranks, finding opportunity for herself to finally sit at the throne of Hokage! Or the Konoha Council - eyeing the position similar to Danzo, Koharu and Homura.This is her journey!