A 21st century forensic doctor somehow traveled back to ancient China and became a princess. What’s better is her first treatment was rather intimate (Source: MangaToon)

After dying in an accident, an ordinary woman wakes up next to her favorite fictional character, the handsome Duke Roan von Bannester. Not only that, but she's now Delisse, his villainous wife! In the novel, they divorce due to Delisse's abuse, but the new Delisse is set on changing this. To try and thaw Roan's infamously icy heart, she showers him with fangirlish affection. But while living together may be her dream come true, can Delisse successfully transition from fangirl to loving wife? (Source: Tapas)

When Team Avatar return to Earthen Fire Industries, the factory owned by Toph’s father, they find that the once small town is now booming, yet a strange mood hangs over its residents. When Aang is asked to join a business council meeting, the reason becomes clear: a massive bender versus non-bender conflict is threatening to turn violent.

From Manga Classics: The victim of a miscarriage of justice, the Count of Monte Cristo is fired by a desire for retribution and empowered by a stroke of providence. In his campaign of vengeance, he becomes an anonymous agent of fate. The sensational narrative of intrigue, betrayal, escape, and triumphant revenge moves at a cracking pace. Alexandre Dumas' novel presents a powerful conflict between good and evil embodied in an epic saga of rich diversity that is complicated by the hero's ultimate discomfort with the hubristic implication of his own actions.

Born in a stone, I was treated as a little monster. When I‘ve grown up, I fulfilled my master’s wish – to marry into my wife’s family. From then on, I got a nickname “kept man”. However, nobody knows that I am the most extraordinary swordsman in the world. I don’t care whether they call me monster or Zhui Xu(son-in-law living in the home of his wife’s parents). Just wait and see how I conquer the world! (Source: WeComics)

A slightly more upbeat look at the "my ex is getting married" story.

Live-streaming is the new, popular creative outlet for young women, and it seems like an easy way to become famous. In front of the camera, these internet celebrities may appear cute and innocent while making a good living. But behind the scenes, there are many stories that nobody knows… (Source: Tencent, translated)

"She is an ace agent, the queen of medicine and poison. Sweet and adorable she looks; resolute and cunning she actually is. She is half an angel and half a devil. When she travels through time and stays in an orphan girl's body, will she rewrite the history? ""I quit the marriage with this coward girl. To my surprise, she is so shrewd and eloquent! How ignorant I am!"" Some lord regrets. ""She is such a hottie!"" Some prince sighs. " (Source: Webnovel)

Within the Nine Prefectures, there are many kingdoms. Rumor has it that deep in the desolate lands, masters are as common as the clouds. They have the ability to go against their fates! Outside the Savage Beast Mountain Range, in a small city called Stone City, there is only one person who goes against the will of the heavens and changes his fate. (Source: Managtoon)

I actually reincarnated into a different world and became the Demon King Overlord?! And my task is to destroy humanity! Wait, that ain't right. I'm a pacifist you know? I'm not like this at all? What? I killed a thousand human army with my energy blast?! That was an accident! It was the relic's fault! It's all a misunderstanding! Hahaha! Why can't we get along nicely? Huh? So what if I'm the devil? Doesn't mean I like doing bad things! Stop annoying me or I will blast you to kingdom come! Wait! Argh! Come on! I'm not that evil! I'm not the Overlord! (Source: Bilibili Comics)

The one who I loved at first sight, always appears in the most critical time to save me. You are the only one who treats me well and cares about me… So I like you without regrets no matter what will happen in the future! The first time when Xinger Jiang saw Tingyue Xiao, he was a short-spoken and sharp-eyed bigwigs in Rong Cheng City. The only thing in her mind is... she must sleep with him! Finally, she achieved what she wished but... (Source: WebComics)