Yuuma, a timid college student who has been summoned to a different world. It was thought that a fun life in a different world would begin with the cheating ability given to you, but what was waiting for him was cold-hearted and cruel treatment. His body is chopped up, fear and severe pain run throughout his whole body, and it is a living hell that never ends. “Why did this happen to me…” Aside from Yuuma’s heartbreaking cry, the blessing of “immortality” continues to regenerate his body. Yuuma was made into an experimental animal of researchers who were fascinated by the possibility, but he meets a pretty girl by chance in the facility, after meeting Eva, his life in a different world begins to change greatly!

Inside a certain virtual reality game, you can be the head of a medieval army. What adventures and warfare await in this exciting game…!?

An exterminator dies and finds himself in a fantasy world, without any skill with the sword or wand he carries on doing what he knows best.

Legend says --

There was a white dragon living in River Long En, preventing floods, falling rain. People worshipped him as the River Lord. By coincidence, he found out the annual festival celebrating the river god had been abandoned for years, angered, the River Lord Huan Yi swore that the Long En town will never see another drop of rain.

What appeared in the pond of the river god palace, however, was something he did not expect...

(Rough translation from Chinese summary, not entirely accurate.)

From CoyoMoose:

The world that was once supported by four evil Gods has fallen to a crisis. Using song and dance, it is up to the kashikans to bring back the Gods which fled from their confinement.

Accidentally summoned by an ancient map, first year high school student, Kiyokawa Hiroto is forced by the arrogant Lord of the castle to exterminate the vampire that has been haunting his castle. Unexpectedly befriending a girl from Mummy tribe, Hiroto skillfully managed to capture the Vampire with her help. However, he is soon framed by the Lord of the castle. Bravely and kindly aiming to be a Lord, the fantasy of summoned to another world starts!

"I'll give you a chance. A chance to be forgiven." The father sold his daughter. And the daughter returned from Hell. In an empire with a diversity of the living and the dead, the young Rena Rubel was destined to die as a sacrifice for her father. But six years later, the girl who everyone thought had died, came back to life. Taking off the mask of a little lamb, and becoming a lion.

Nine regions fight for control of the world, and one shot determines everything! A young villager with a desire to get stronger starts on the slow path of cultivation. A life changing mystery! A competition between nine regions! The winner becomes king! What is in store for him?

When her mom goes missing, three-year-old Lotilucia stumbles on a magic crest that transports her to the estate of House Frodium, one of the empire’s most powerful noble families. Little Lottie immediately recognizes Duke Damian Frodium as her dad; he is the so-called “Monster Duke” of demon descent. Once taken into the house, Lottie does her best to stay out of his way. But then she stumbles on a magic book that shows her a story about Duke Frodium’s adopted daughter replacing his dead daughter named Lotilucia! Lottie is shocked but also emboldened by the prophetic tale. If she is meant to die anyway, she might as well be her cheeky self and do as she pleases! This new Lottie wins over her demon dad along with his staff, but will she manage to stay alive and thrive as the Monster Duke’s daughter?

"Understanding" is "Stronger" than a Sword! There is no magic without any weapons!
But! This is the story of a man who wishes to live safely!
"So, I've come to a different world."
That man stood alone in a mountain full of plants and creatures that he never knew nor saw before. He goes down the mountain by avoiding encounters with a big slime (and bandits), and is caught as a suspicious person in the castle he reaches. In interrogation the female knight Ilius met at the imprisoned place, when talking about the bandits seen in the mountain, Irias, who was stuck in the search for said bandits, hurriedly strikes the bandits . My wish to be a brave man, or to build a harem?
"I just want to live in a safe place" - a story that such a man survives the different world with "Understanding" as a weapon!

The path to becoming an immortal (cultivation) of a unparalleled girl with strange powers...... Although it's a shoujo manhua, there is no lack of fighting elements. With myself liking shounen manhua content, neither romance nor adventure is neglected. A round of applause please for the handsome guys and beautiful girls that are about to appear!

The 12-year-old boy entrusted his destiny to the dying nation!

Hercule is a boy who was raised as a successor to the declining Lemuria empire. Hercule has been crowned as the new Emperor of the empire, which is on the verge of being destroyed by the previous emperor, but in fact he has a secret that no one knows about...? This is the story of a young emperor who becomes the savior of the Lemuria empire and the champion of the three continents.

There's a new girl in town called Dahlia, who attends an elite high school. She's hated by the other girls. They think she's stuck up, but they also suspect her of committing the murders in the neighborhood.

Dahlia is a vampire, with one eye that turns green when her vampire nature awakens. She came to this area to search for her lost love, who also is the one who made her into a vampire. She attends the same high school as a young man who resembles her lost love. Maybe it's him. She's going to find out by awakening the boy's memory of his past.

Tomorrow is Garam’s 25th birthday and not only have her parents forgotten, but she still hasn’t found a full-time job. As she lay in bed wishing for another life, the clock strikes midnight and a strange window opens up before her. She steps through and discovers that she’s a pathfinder, or a traveler of worlds. But somehow stepping into this other world has caused her family and everything she knew back on earth to disappear. To rejoin her family and set things back to normal, Garam will have to learn all that she can about being a pathfinder.

The repeat test-taker Ha Beodeul becomes a shaman and meets the foul tempered lesser dragon, Gwangcheoli.

These are interesting times in the empire of Varnia. The imperial army may have broken the back of the invading army of Nebel, but at tremendous cost. The living weapons born of past wars with the magic-wielding tribes of the south still prowl the ancient forests. And ever since the battle in the northern pass, an avenging phantom has stalked the trails of Varnia, leaving carnage in its wake: The immortal warrior, the last knight of Orgonne... And they call her Slayer Volte.

Eris Boreas Greyrat is a former noble girl, who one day was transported to the other side of the world with her cousin Rudeus. She grew as a swordswoman, but ultimately was unable to save Rudy as he was nearly killed. Deciding that she wants to be someone who can support him rather than the other way around, Eris decides to leave Rudeus and go on her own journey.

This is a spinoff of Mushoku Tensei, which splinters off from the main manga at around chapter 51 (volume 6 of the light novel, first season of the anime).

"Hellfire" – once sealed unquenchable fire, whose fierce flames can burn the entire world to the ground. Flare is an ordinary guy who lives in a border village and is sacrificed to an out-of-control fire. Experiencing inhuman torments in the hellfire, he would seem to have no chance of surviving…
But wait a minute! Is he not dying? Had he endured the fury of hellfire? Flare literally rose from the ashes and returned to the world of the living, gaining the ability to control the "Hellfire"! This is a fantasy story about the travels of a free hero who conquered the flame and cheated death itself!

WN: https://ncode.syosetu.com/n3806fv/

Chen BeiMing was once a young and talented hunter of the Heavenly Alliance, until he got betrayed and murdered by The Five Lords. He gets resurrected into the past while having his memory intact and swears that he will get revenge on those who betrayed him. With the help of his battle sprite, he once ascends the road to become the strongest again...

From MangaHelpers:
Hana, a high-schooler that is known as the cutest girl in school, gets pulled into a supernatural event while on a beach trip with her friends. This event, called a "Red Night Eve" involves a transformed extremely massive shark, which targets Hana while she's swimming! Luckily, she's rescued by the siblings Yayako and Yuuto Kagimori, students from her school who know all about these occurrences, and who even have a support program AI named Acacia in their tablet to help them. Not long after, Hana and the siblings are involved in another event, this time involving her precious class pet parakeet being transformed into something monstrous. With all these supernatural events, Hana's life is never going to be the same.