From MangaHelpers:
Namidare Rekka has a very unusual birthright. After his 16th birthday, he will be drawn into many different stories. Each story has a heroine, and each story depends on him to be the hero. On his first day of high school, a strange uniformed girl that only he can see shows up. She claims to be from the future, and claims that his rescuing of many heroines is going to cause serious trouble for the future.
It's not long after this encounter that his troubles begin. His childhood friend Satsuki invites him somewhere, possibly to confess her feelings for him. However, before she can, she's kidnapped! Rekka wants desperately to help her, but he finds himself being tossed into various sci-fi and fantasy worlds, each with their own heroines in trouble. Will he be able to get back to Satsuki? Will he be able to save all the others? How can he really tell the consequences of his well-meaning actions?

A naive youngster, ignorant of the tragedy that happened 16 years ago, travels with the sworn enemy of his tribe; a Princess out on an excursion, due to the internal conflicts within the royal family, has to risk her life and survive in the mountains; A prodigy carrying the hopes of the entire tribe, at this very moment, doesn’t have much time left in this world… The 3 of them meet in a world fraught with dangers, will they be able to free themselves from their accursed fate?

From Moss Scans:

In the multiplayer online game Glory, Ye Xiu, is well known as the Textbook level expert and a top-tier player. Due to a series of circumstances, he was forcefully expelled out of his professional team. After leaving the pro gaming scene, he resides at an Internet Café employed as one of the managers. When Glory launches the tenth server, he throws himself into the game once more, equipped with ten years of gaming experience, memories of the past and an incomplete self-made weapon. His journey back to the top begins.

After plotting and scheming, who took away my glory? Under the influence of the storm, my hopes will never be shattered. In its magnificence, the path will not be lost, for I, will return!

The manhua is based on the popular Quan Zhi Gao Shou novel by Butterfly Blue. The manhua is currently serialized digitally in Da Jiao Chong’s mobile application and is released on a weekly basis.

From Wikipedia: Enno Ozuno, Master of the Enno temple used the demon guardian spirit Zenki to defeat the demon goddess Karuma. After defeating Karuma, he later sealed Zenki away in a pillar until needed again. Centuries later, his descendant, a school girl named Chiaki Enno (役 小明, Enno Chiaki, or Cherry Night in some dubs) is able to free Zenki, although the demon currently has the form of a brattish demon child. To transform this extremely defiant demon into the form that made him useful by her ancestor, she uses a bracelet that appeared on her wrist when servants of Karuma broke the seal that imprisoned a seed of Karuma. Zenki appears because the seeds of Karuma (which look like eyeballs) start appearing and turning people into monsters and Zenki needed again to eradicate this menace.

“Aurora City” is a place that never knows sunlight. Due to limited resources and for the sake of racial purity, every 10 years, all young people in the city should fight in a big tournament. This year, Cill Codon, who has an unusual black hair and eyes is eligible for the dead-or-alive survival battle...

The human can’t choose their ideal body. A memory that had been carved in the flesh would not vanish no matter how much we tried to alter it. A newcomer thus arrived in the town, bringing a gun that could swap people’s bodies. The fierce but full of smile adventurer walk with a secret quest—to find the original body that was taken by his wife.

Soura's out fishing with his sister, mother, father and other fishermen when they come across a storm which wrecks a ship. Sola's parents head out to rescue the survivors, though Sola questions why since the destroyed ship is a Velinard merchant ship. His father says that it has nothing to do with the fisherman, that they're fellow sailors just like them, not to just abandon them. Sola's mother, Mana tells Sola that he should always look after his friends, and as a man to be able to protect the woman he's in love with. A black dragon suddenly appears, is shown to be the one causing the storm. A white dragon also appears, and seems to be fighting with the black dragon. Sola falls into the ocean, is wondering if that white dragon is watching over him.

Post-Apocalypse society, a genetically engineered 'jinzou ningen' and an immortal off on a quest to the west.

Tarou was just an ordinary university student until a strange old magician summoned him to another world. Upon learning that his newly acquired magical power is 8 million (8 million more powerful than an average magician), he uses his abnormally powerful magic to revive the old man that caused all this... in the form of a frog. Thus begin the strange adventures of a boy with ridiculous magical power and Kawazu, the former strongest magician, now revived as a frog.

The devil who lost its magical power in the fight against long angels fulfills the principle of absorbing the human soul and restoring its power! It was a demon king who traveled to the human world with a trusting four heavenly kings, but the destination that I reached was a solitary island of the ocean...! On that island where magic can not be used, a survival that can laugh backwards with the sadness of rulers and subordinates in the Makai begins!

A depiction of the story of Joan of Arc.

Content with her ordinary life, Lyra is somewhat of a wallflower. However, her comfortable lifestyle suddenly goes astray when she accidentally plunges into the world of sirens. Entangled in a curse, Lyra will learn that her world may be a lot bigger than she had ever imagined.

From MangaHelpers:
Summoned into an alternate world of Alayzard, Ousawa Akatsuki helps defeat the demon lord, brings harmony back into the world and, under the demon lord’s last request, takes the demon’s only daughter back into Akatsuki’s own world.
It turns out that being teleported into a different world is somewhat of a common occurrence back home. Those who return often come back with the power to use magic. So a worldwide organization, fearing people like Akatsuki, created Babel, a school to teach and keep tabs on the magic users.
Akatsuki is able to bring the demon lord’s only daughter into Babel as his sister, Ousawa Miu. A new chapter for Akatsuki is about to begin--this time, in his own universe!

Regularly mistaken for a boy and/or vampire, the traveler Kuro roams the land, clothed in black from head to toe, a Kuro-sized coffin on her back. Accompanied by her snarky bat friend, Sen, the mysterious duo meets all sorts of individuals en route — some good, some evil, some just plain crazy!

But Kuro never stays in one place for long, begging the question: What exactly is she searching for? And what exactly does she intend to do with that coffin?

After a terrible earthquake, Satoru wakes up in a pitch black cave that him and his friends were exploring. Desperately moving through the crumbling cave with just his backpack, he expects a warm rescue once he gets out. But what awaits Satoru was an unbelievable fact: Japan has sunk underwater due to the earthquake and he is stranded on an island with no one to help him. Can Satoru learn how to survive by himself?

Ever since He Mulan, a 28-year old forensic investigator, transmigrated into the post-army civilian Hua Mulan’s body, she’s been under a lot of pressure. Unlike the folktale ending, there are no flowers or applause to be found here. After leaving the army and returning to her hometown, word by the countryside has painted the now 32-year old Hua Mulan as a homicidal maniac, an old hag, and a freak of nature, among other nasty things. Between piecing together Hua Mulan’s scattered memories, grappling with her fellow villagers’ prejudice against her, and fending off Mrs Hua’s attempts to match make her, He Mulan has her hands full. All He Mulan wants to do is protect Hua Mulan’s body till her soul comes back, but fate has other plans…

N/A

The world lost a heart. The time is messed up. To find the center again! Where's Alice?

Once upon a time, there was a powerful demon world who threatened the world, bringing death and destruction in his wake. Humanity banded together and, after much hardship, were able to defeat him.

Millennia have passed since. While the demon lord is dead, his influence still rings throughout the world. Dungeons pop across the world frequently, filled with both treasure and danger. And a new trend has been created as a result.

They’re a bunch of teenagers, all looking for popularity. Utilizing fairy-mounted cameras, they livestream their adventures in these dungeons for the world to see. They live for both the risk and the views. They are Dungeon Tubers.

Aqi (ah-chee), a boy with god-like strength, finally gets fed up with his fellow villagers who are constantly relying on him to help them. So he leaves on an adventure to save the world! (but from what, we have yet to find out...)
After quickly getting lost in the nearby forest, he finds a girl named Misu about to be eaten by the dangerous wildlife of the forest! Using his inhuman strength he saves her, and after finding out she can cook, he decides to bring her along on his adventures!