The long-term public service exam candidate, Minseo, finds himself trapped in the game, “Raising Lena” as he tries to escape his grim reality. In the game, Minseo becomes a character named Leo, and he must navigate through a world with three different scenarios to accomplish his mission of turning the protagonist, Lena, into a princess. However, the game “Raising Lena” boasts an overwhelming level of difficulty due to enemies who are set to thwart Minseo with their immense power and influence. Will Minseo be able to complete the game by making Lena a princess and return to reality?

For some reason, he was invited to another world after he rolled the gacha like he usually does.
The gacha from the social game is available in his trusted smartphone.
It was a convenient and cheat tool that can give out equipment and beautiful girl characters.
He now aims to create the world's strongest army of beautiful girls in another world.

Aizawa Yuri has reincarnated 2 times now and is dead tired of being the emperor of this and that. Using his skills he acquired a reincarnation artifact, and starts his life in a brand-new world!

From Nyan-Nyan Rampage:

"The final arc of the story begins...

When Takao Osugi receives the mysterious "Universe of the Four Gods" book from his mentor, Einosuke Okuda, he does everything to keep it away from his young daughter, Suzuno. But when disaster strikes Tokyo, can he still protect her from her fate?

Shortly after the tragic finale of Genbu Kaiden, young Suzuno Osugi's tale as the Priestess of Byakko beings to unfold!"

Fantasy adventuring comedy starring Karla the dark elf cleric who invested too much on her insulting skills and Alvin the swordsman who has to put up with her.

A scholar who failed the national exams is picked up by a martial arts master and given the task to record his life into a book. Through their journey, Son Bin meets many great people and soon finds himself following the same path as the master, as the Martial Arts King.

A fantasy story about Kiska, a boy who is mistreated by the villagers. He manages to survive thanks to his childhood friend Namia, who was the only one by his side. One day, Namia is murdered by three men, and Kiska is accused of the crime and banished to an inescapable class S dungeon. However, he finds himself in a different world where he can use "Save and Reset" to get back on his feet no matter how many times he dies. The story is about Kiska's quest for revenge against those who wronged him and his friend

"Understand for yourself that you are worthless. You are already obsolete."

Dion, the recovery wizard who was told so, was seriously injured by the hands of party members and left behind in the interior of the highest difficulty dungeon.

On the verge of running out of his life, he happens to encounter a dying dragon. Dion realized that he couldn't help him anymore, and he treated the dragon to live as a recovery wizard until the end. Then the dragon thanked him and even shared the power of the dragon. In addition, this dragon seems to have been a legendary god dragon-class. Dion escapes from the dungeon with his new companion, the dragon, and restarts as an adventurer. He captures the difficult dungeons that stand in his way, and his abilities are recognized and he has all the strong men on his side.

This is a story about a recovery magician who leaves behind even the party he was in from a difficult situation and becomes the strongest adventurer in the world.

Links:
- Web Novel: https://ncode.syosetu.com/n6844gh
- Official LN (JP): https://www.bunkasha.co.jp/author/a236341.html

Allen, an eight-year-old boy from a poor family in the royal capital, is living a poor but happy life together with his mother. One day, however, memories of his previous life suddenly come back to him and he remembers that he is in an dating sim game and that the capital will be destroyed by war if he doesn’t do something about it.

If this continues, both he and his mother will be killed!

With a sense of urgency, he decides to rise to the occasion in order to save his precious mother’s life and save his favorite character, the villainous young lady Anastasia, the only girl he liked in the game, from her all too tragic and ruinous end.

This is the story of a man who isn’t even a character in the game, but who strives with his steely determination and uses all the knowledge he has to turn overcome fate!

Original Jp Web Novel: https://ncode.syosetu.com/n6755gk/

Having graduated from the prestigious Witchcraft Institute at the top of his class, no job is out of reach for William Glenford. But William dreams of only one thing: adventures.

Kazama Kenji likes to believe he is something of a delinquent. Moreover, others seem to like to agree that he is. Of course, Kenji's gang finds their way to a group of four not-so-normal girls - Chitose, Sakura, Minami and Roka - and all at once, whatever reputation he may have, is nothing compared to the outrageous behavior of the girls. Shanghaied into joining their club, what will happen to his everyday life from that point on?

Kang Ji-hoon, an ordinary high school student who died in a painful accident, finds out in the underworld that he is actually a ‘Water Spirit King mistakenly born as a human’. “Making water spirits? How do you do that?” The adventures of Elqueeness, the Water Spirit King who was mistakenly born as a human!

If you're reincarnated in another world, you will be naked and alone in the forest. The only things you can rely on without magic or cheats is your wits and fists!

Author's Twitter: @yazin_uhouho: https://twitter.com/yazin_uhouho
Web Novel Raw: https://ncode.syosetu.com/n5771ei/
Alternate Raw: NicoNico: http://seiga.nicovideo.jp/comic/41841

Dirty oldman isekai

Fantasy harem-comedy begins with a kind-hearted uncle who helps the weak, crushes the strong while doing some consensual seeding here and there.

D.Gray-man follows the adventures of 15-year-old Allen Walker, whose left arm can transform into a monstrous claw and destroy akuma, evolving machines created by the Millennium Earl to help him destroy humanity. As ordered by his master General Cross Marian, Allen becomes an Exorcist, people who can destroy akuma, for the Black Order, an organization attempting to stop the Earl. He becomes a powerful asset for the Order because he can detect disguised akuma with his left eye. Allen is sent to recover pieces of Innocence, a substance that gives certain people, called Exorcists, the ability to destroy akuma. The Earl decides to call together the Noah Family, superhuman descendants of Noah who can destroy Innocence. Both sides start the search for the Great Heart, the most powerful piece of Innocence that will assure victory to the side that finds it.

Conan and the Detective Boys are asked to help kids who have been send backwards in time. These "Time Drifters" explore different eras of Japanese history in search of the Time Stones that will help them return to the present day.

Official Website: https://www.shogakukan.co.jp/pr/ntconan/

In a distant place, on a certain mountain, a young dragon has been captured by a beautiful female tiger. The two, who were predator and prey, begin a journey to find a way for two animals with very different life spans to live by each other's sides.

TL;DR: Tiger Woman x Dragon Boy

One day, Sanada Shirou, who works for a black company, is transported to another world. Using his "creation magic", an ability he gained when transported, he opens an inn and is supposed to lead a slow life, but this other world is a little strange?! It is a world where women are overwhelmingly dominant, where women do dangerous work and battle, and men are powerless and are protected! The daily life of entertaining (in many ways) the women of this other world begins...!

Web novel: https://kakuyomu.jp/works/1177354055503576578

Yuuri, a 30-year-old housewife who was unilaterally abandoned in marriage, suddenly gets lost in a different world. She, who was introduced to the work of potion harvesting by an S-class adventurer and gradually got used to life in a different world, realized the ridiculous secret of the harvested potion. The potion without the recovery function that she thought was off was actually soy sauce. In addition, dishes made with it have a bonus of correction function! Will Yuuri's dishes change the common sense of the other world?

This world consists of two dimensions joined as one, like a mirror. The first is the world in which the humans live, Assiah. The other is the world of demons, Gehenna. Ordinarily, travel between the two, and indeed any kind of contact between the two, is impossible. However, the demons can pass over into this world by possessing anything that exist within it. Satan may be the king of demons, but there's one thing he doesn't have, and that's a substance in the human world which is powerful enough to contain him! For that purpose he created Rin, his son with a human woman, but will his son agree to his plans? Or will he become something else...like an exorcist?