One Piece: Fist of the World - Chapter 27: Monsters of the Rhode Pirates

There are always four kinds of people in the traditional Mary Sue world. The Male Lead, the Mary Sue female lead, the woman who never wanted to see the female protagonist live a good life, and the infatuated man willing to destroy heaven and earth to get the female lead.

After dying, Chen Heng finds that he has transmigrated to an alternate reality: everything is the same, except the world is now a Wuxia world heavily influenced by martial arts! Not only this, he discovers that he has a Fantasy Simulator, from which he obtains rewards that make him incredibly powerful in his new reality as well. Martial arts, immortal cultivation, and overpowered abilities–all of this begins from a single simulation!

As a cultivator, Lan Tian never expected she'd been hurled back to the 1970s countryside!Suddenly stripped of her powers, she's surrounded by mud - brick houses and farmland. Facing farming to social quirks with no modern conveniences, she relies on her cultivator's wisdom and resilience.

Xia Yuqing is a shut-in+fujoshi from the 21st century. After an accident, she transmigrates into the body of a young princess forced into a political marriage to another country.

“W-where is all this blood coming from? Is this– Is this nose blood? AH, YOUR HIGHNESS! A-are you alright? What? No! You mustn’t! Princess Xia, please, come back!”

“… I… need… to… see…”

The aide could only helplessly look on as Princess Xia Yuqing crawled towards the emperor’s quarters, leaving a trail of blood in her wake.

Fujoshi: a term for a woman who enjoys reading about relationships between men.

- Description from Novelupdates