From MangaHelpers:

There is a large virtual space called "Deep Forest," where many people go as avatars. Origa is a schoolgirl who has become an explorer in Deep Forest in an effort to discover the reason behind her mother's death. Luckily, she has a famous hacker as a partner and guide, a monkey avatar called Jr.

Deep Forest is a dangerous place, contested by the company she believes is responsible for her mother's death, hackers, and others. Origa has a difficult path to travel in order to uncover the truth. [tethysdust]

“Sword & Magic Online,” a VRMMO consisting of 255 floors to clear, harbors a horrible secret: Everything from floor two onwards hasn’t been implemented yet. And all the devs ran away. Also, there is no magic in this world of swords and magic, the gold value has inflated indefinitely due to a dupe glitch, this kusoge (fixed term for a shitty game) is going down the toilet. And yet, there are friends enjoying this kind of game. For that reason and to avoid this world’s destruction (end of service), a youth named “Sasaraki” continues developing this kusoge world together with the mysterious girl Alice who dwells in the debugging room, and…? A VR kusoge development rom-com!

A party of 4 heroes defeat the Demon King, however with his last bit of power he separates and gives each of them an unusual curse to make them suffer for the rest of their lives

An ordinary student accidentally traveled into an other universe and became the king of a small kingdom. He had gotten a Cheating Code of life and was able to complete something extraordinary. This is the story about a king that was able to conquer continents and leave behind him an ultimate legend that will be recited between every generation to come.

The main character is Carol, a blonde-haired, blue-eyed American teenager from a wealthy family with an interest in Egyptology studying in Cairo. When her mentor discovers the tomb of a young pharaoh, a curse is put on the excavation team and Carol. The curse sends her back in time to ancient Egypt, where she becomes embroiled in the affairs of Egypt and other ancient countries such as Assyria and Babylonia. Carol meets Memphis, a handsome young pharaoh whose tomb she excavated in modern times. Despite his headstrong, at first violent nature, they fall deeply in love. This angers Memphis's half-sister, the Priestess Isis, who has longed to marry him. Carol, due to her exotic looks and curious ability to tell the future, becomes a major player in ancient history.

In 1991, it received the 36th Shogakukan Manga Award for shoujo.

Su Yun was a prodigy, blessed by the gods. However, life is never so easy. Soon after reaching 6th stage in spirit novice realm cultivation, his progress stagnated due to incurring a rare medical condition. A few years go by, and Su Yun has spent all his time gambling or drinking, wasting his youth away, but one day everything changes. Qing Er, the only one who stood by him was forced by his clan to be a sacrificial bride to someone she didn’t love, only to be executed by the groom on the wedding night for fleeing. Burning for revenge, he scoured the world for a cure for his rare medical condition from both righteous and villainous side. Countless years go by, and finally Su Yun not only found a way to cure his rare condition but also gain immense knowledge on a myriad of martial techniques. But before he could fully cure himself, he received news that the groom suffered an assault that damaged his internal organs. Rather than wait for decades to become fully cured, Su Yun decided to hatch a plan for the assassinate of the groom. Unfortunately, he underestimated the strength of the groom’s family and was killed instead. Then he regains consciousness. He comes to a realization that he went 15 years in the past. This time, he vowed to protect Qing Er, but first he must cure his rare medical condition. Will he learn from the mistakes of his previous life or is everything still set in stone?

From OSTNT:

The Mythical Realm: A world of blood, a world where the strong triumph over the weak, Ye Yun descended to hell to slay hordes of Demons and ascend to Heaven to slay the Gods just to prove his existence as the strongest, a world where a single being can rule over Heaven and Earth.

Hello, let's met with Airu, an airhead, cheerful girl who finds a mysterious cube device while cleaning her club's room. Suddenly she's sent to another world with her merrymaking friends.
With this cube, these four will be adventuring in another world while living a peaceful daily life on earth.

2057.
Hemisphere, a man-made city in Tokyo Bay, has wiped out virtually all crime by introducing the quantum AI system "XEVEC", through which the "law" acts as a physical force to protect all citizens. Hemisphere is a "utopia", an ultra-nomocratic society in which the righteous are rewarded and permanent peace is guaranteed. Or so I thought. Until that incident...
Confronting crime in a near-future city! Physical court battles are now in session!

One day, the young boy went to help the cat of God until he killed himself. He was born again in a different world with the special power to feed the cat!

[Would you like to reverse time?] [All stats will be reset] [Please pick a date.] "February 28th, 1985. The day I was born." Wealth, I will seize all the money in the world. Monopoly, I will seize all the dungeons in the world. At this time, while the world is still peaceful.

Takumi Aono really wants to be a competitive swimmer! Like, really, really, really wants to be one. Although he swims every day, rain or shine, he's still not there yet. But when he meets a very bitter lifeguard, something unexpected happens!

Taking arms and protecting the people, Knights. And the apprenticeship period to obtain that title...... The job of a knight apprentice is not to practice with the sword nor ride horses, but anywhere from taking care of horses to laundry; all sorts of odd jobs. At the Padlock Castle, Claustra, the story of the knight apprentice Rosa begins!

Junk’s father is one of the twelve generals who command the sorcerers, the Paladins. Despite this, being a poor student, he’s the polar opposite of his father. The fantasy manga of an underachiever on the righteous path begins!

There was a youth who lived deep inside a Forest, his name was Yuri.

After he trained his body for long, he achieved a special trait which made his body able to withstand almost every kind of magic.

One day, there was a beautiful elf named Firia, who got lost and arrived at his house.

Yuri, who was attracted to see the world, together with Firia, they set out on a journey around the world.

“Yuri-san, can you use magic?”

“Of course I can. It’s called muscle magic.”

“…what, is that?”

“In exchange of magical energy, I use my muscles to emit a powerful magic.”

“That isn’t magic but simply a feat of strength.”

This is the tale of a youth who chose to polish his muscles and journey around the world together with a peerless beautiful elf.

Naoto Nagasaka works for a food company where he sells raw meat. One day he is hit by truck and wakes up in a foreign land. The dense forest he finds himself in hosts many dangers, and very soon he is chased by monsters. With no food and no weapons, how will this man survive now that he fell to the bottom of the food chain?

The manga is a prequel about these four girls who would eventually make up Team RWBY upon enrolling in Beacon Academy.

If you're a man, then you should be able to reach the 100th level. Mao Li, the main character, begins his ridiculous journey in ascending the tower. Will he be able to reach the 100th level?

Chu Feng was an Assassin. When he was on a mission, he failed and was hunted to a corner, so he jumped down a cliff. After his death, he entered the underworld. He spent 500 years and became the most powerful in the underworld. He became the most powerful demon called Demon King. 500 years in the underworld, his only desire is to return to earth and meet his lover, and manages to destroy the pearl of death in order to return to earth. But on earth, it turns out that there is a little girl who has been waiting for him...

From Wuxiaworld:
I Shall Seal the Heavens is currently one of the most popular xianxia stories in China. It is about a failed young scholar named Meng Hao who gets forcibly recruited into a Sect of Immortal Cultivators. In the Cultivation world, the strong prey on the weak, and the law of the jungle prevails.
Meng Hao must adapt to survive. And yet, he never forgets the Confucian and Daoist ideals that he grew up studying. This, coupled with his stubborn nature, set him on the path of a true hero. What does it mean to “Seal the Heavens?” This is a secret that you will have to uncover along with Meng Hao.

===========================================

What I want, the Heavens shall not lack! What I don’t want, had better not exist in the Heavens!” This is a story which originates between the Eighth and Ninth Mountains, the world in which the strong prey upon the weak. “My Name is Meng Hao! The Ninth Generation Demon Sealer, I shall seal the Heavens!“

Official English || Original Chinese RAW