From Storm in Heaven:

The story begins in Europe, during the first years of the XX century. On a background of intrigues, machinations and a Europe that is going straight toward World War I, three kids meet at a strict conservatory in Germany.

Julius met Isaac at the famous Orpheus' Window and later in another event met Klaus there. The legend told that two lovers met at Orpheus' Window would end in unhappiness. But Julius met two different persons, and they didn't know Julius' secret. In fact, Julius is a woman who's forced to dress up and pretend to be a guy.

But she isn't the only one who has secrets. Klaus, for example, is Russian. Is he a communist spy? Then the whirlwind of fate began.

Constance, the daughter to a Viscount whose only value is her honesty, and Scarlet Castiel, the most reviled villainess of the era who was sentenced to death ten years ago. When the two people who were never supposed to meet encountered one another at a night party, the story that should have ended with Scarlet's death began anew.

Although their relationship only began out of mutual interest, they soon became true partners in an effort to unravel the mysteries of a grand conspiracy borne out of the past, that still has a vicious grip on the present.

A male engineer transmigrated into another world, and became a prince. This place strikingly resembles the Middle Ages of Europe, but at the same time, it seems kind of different? Witches truly exists, and they even possess magic powers! Magic powers are productive forces! Save the witches, liberate the productive forces! Open map, fight demons, break conspiracies, climb up the science and technology tree, and open the path of hardcore ‘farming’!

From MangaHelpers:

History classes have never interested Saburo. He never saw the point of learning something that happened in the past, let alone a few hundred years ago. But when he falls off a wall, he travels through a wormhole and ends up in 16th century ancient Japan. He meets a very young Oda Nobunaga, one of the most influential figures in Japanese history, who turns out to be identical in appearance as Saburo. The real Nobunaga, sick of the castle life and wanting to travel, orders Saburo to take his place. Without knowing how to get back to his time, Saburo tries to make sure history isn’t rewritten for the infamous Oda Nobunaga. [vyc]

Won the 57th Shogakukan Manga Award for shounen.

Lady Rosentine Arzen was born with the ability to see ghosts, an offense punishable by death under imperial law, and something which threatens to ruin her family. So when Rosentine learns of a plot to poison the imperials, she goes undercover as a vagabond sorcerer to save Prince Charteris Kartazen, who promises to protect her family should she solve the mystery. But who would want to harm the prince? The palace teems with danger, but it’s Rosentine’s own secret that could prove fatal to her.

The journey to the martial peak is a lonely, solitary and long one.In the face of adversity,you must survive and remain unyielding.Only then can you break through and and continue on your journey to become the strongest. Sky Tower tests its disciples in the harshest ways to prepare them for this journey.One day the lowly sweeper Yang Kai managed to obtain a black book, setting him on the road to the peak of the martials world.

After losing everything in the Great Famine, Amelia and Connor immigrated from Ireland to the United States of America in 1849 to find happiness and become rich in California during the Gold Rush period.

The MC transmigrated into a novel and became an extra from the novel. The novel is a murder thriller and the main character is a serial killer. He kills criminals with black magic making him a dark hero (think of him as Dexter or batman with dark magic). MC doesn’t have any death flags since she’s a background extra but she was a homeless girl of all things in such a dangerous novel. Somehow our MC saves the male lead and to thank her, he adopts her.

“Become my daughter.”

The richest, most powerful, and handsome duke commands her to be his child. The MC is freaked out since she knows he’s a cold blooded killer. Can she survive such a maniac?
Yet he dotes on her and constantly says my daughter is the cutest! He wants to get master artists to draw her and gather poets to describe her adorableness. The duke has a son. The apple doesn’t fall far from the tree; he also dotes on her. In this way a beggar became a little princess. She also got used to people getting killed.

However there was still one problem.

Our MC has turned sixteen and is wondering as a lady, will she have an arranged marriage? The whole house atmosphere quickly turns awkward. She realizes, perhaps they want her to stay here forever? Can she escape such a strange house? Everyone is so attached to her!

The previous lords have committed as many atrocities as possible to fill their bellies. I, the only daughter of that house, had discovered that my servant and lover was a spy. And as the people wanted, my life ended with my execution.

However, with the memory of getting beheaded intact, I began a new life. I was planning to shoulder the sins of my past life and become a nun, but by some trick of fate, I came to work as a maid for the current lord. Under my former lover, whose name, age and even hair color were all lies.

It portrays the famous naturalist Plinius. From volcanic explosions and tidal waves to the ecology of plants and animals, the work reproduces the world of Natural History, the Plinius encyclopedia describing the universe. This is a definitive historical Roman romance depicting the world 2,000 years ago through astounding composition and realistic draftsmanship.

“A useless thing like you has no value in our family. Take this money and leave immediately!”

“Yes! Goodbye!”

She became the incompetent villainess who commits wrongdoings in order to earn the love of her fiancé, the male lead. Her reputation was already at rock bottom and the main characters, who can’t live without each other, are having an affair.

“Getting kicked out and receiving money is good enough!”

So after she was kicked out, she set up a stationery store in front of a school. She reminisces of snacks, beer candy, and even bubbles! Just you wait, kids!

But… somehow her young customers are a little weird?

“I’ll find you a handsome and modest man, and not someone who has an affair like my brother!”

“Ha, then what about my brother, the crown prince?”

“…the tower master is the best.”

The great magic swordsman, the next crown prince, the villainous tower master, and finally, the hidden villain. The stationery store, which she thought would be peaceful, left her with no rest. Help me! I just wanted to live a normal life!

The Haiboshi family's line of work is assassination. Takatori, their princess, picks up a boy named Raika who swore to dedicate everything.

The manga's story begins when a peasant named Hanbē asks a girl named O-haru for her hand in marriage, but O-haru confesses that she is already thinking of another man named Masakichi from a neighboring village. When Hanbē seeks out Masakichi, he finds that Masakichi possesses a sword and the skills to use it, despite being a peasant.

Set in Central Asia in a rural town near the Caspian Sea during the 19th century, the story revolves around a young woman, Amir, who arrives from a distant village across the mountains to marry Karluk, a boy eight years her junior. The story unfolds among details of everyday family and community life. However, the peaceful atmosphere is disturbed when Amir's family demands to take her back to their village.

Note: Nominated for the 4th and 6th Manga Taisho. Won the 7th annual Manga Taishou Award in 2014 and the intergénérations prize at the Angoulême International Comics Festival in 2012.

Even dragons fall in love! This beautiful retelling of Chinese folktales highlights the relationships between humans and non-humans. Whether fantastical, like the love story of the Dragon King's daughter, or intense, like the connection between beast and hunter, this collection of five stories builds on traditional lore and storytelling. Future volumes in the series will explore more Chinese-inspired tales about foxes, tigers, and beyond! [Seven Seas]

I was transported into the romantic fantasy novel my younger sister was reading, not as the male lead but as the second male lead. If I remember correctly, this punk is fated to go into war in the future and die in the male lead’s place. Okay, I’ve made up my mind. Let’s not go anywhere near the main characters and stay healthy until I can go home.

As a child, Thorfinn sat at the feet of the great Leif Ericson and thrilled to wild tales of a land far to the west. But his youthful fantasies were shattered by a mercenary raid. Raised by the Vikings who murdered his family, Thorfinn became a terrifying warrior, forever seeking to kill the band's leader, Askeladd, and avenge his father. Sustaining Thorfinn through his ordeal are his pride in his family and his dreams of a fertile westward land, a land without war or slavery... the land Leif called Vinland.

Note: Was nominated for the 2008 Manga Taisho award. Won the Grand Prize in the manga division of the Japan Media Arts awards in 2009. Won the 36th Kodansha Manga Award for Best General Manga in 2012.

If the Grim Reaper calls your name three times, you will be taken to the underworld.

"Hyeokyeon Mugang."
"Hyeokyeon Mugang."
"Hyeokyeon Mu..."

You little shit! I want to live longer! Get out of here!

I desperately swallowed the Herb of Immortality, and to my surprise, I actually lived! When I finally opened my eyes, thinking it was all a dream... I was surrounded by a bunch of old guys?! I asked where am, and—the Shamans' Mountain?!!!!!!!!

Somehow, I possessed the body of a pitiful errand boy... this is nuts!

I... I am... I am the strongest of the strong, the head of the Sa Clan, Hyeokyeon Mugang!!! Why am I now part of a clan of Shamans?!

Well, since I'm here, I might as well become the best disciple I can. The trashy master's ruthless, no-holds-barred, immortal martial arts story "Path of the Shaman" begins!
Links:
Original Webnovel: https://page.kakao.com/home?seriesId=52882308

Webtoon Trailer: https://www.youtube.com/watch?v=b-xR7KBYvhk

The 27-year-old Shonagon, depicted here as a sort of medieval NEET, manages to land a job as the private tutor of a beautiful and refined 13-year-old, Princess Teishi. There are also a number of other quirky court ladies, some of whom have their eyes on Shonagon.

A man with the ability to hear inner voices got married to a girl who can't speak.

It's the Taisho era. Kyogoku Kazunari, who can hear people's inner voices, makes skillful use of his ability by running a trading company.
His business is going well, but due to his power, he cannot trust others and has been quite bitter so far.
Wanting to make use of their connections, Kazunari has propposed to marry the daughter of the noble Suwabe family. However, not only can he not hear the inner voice of his partner Suwabe Nana, she is also unable to speak.
While Kazunari is bewildered, the two of them get married on the spur of the moment...? A clumsy but happy married life begins for them.