Commissioned in death to save a world in peril, a tabletop RPG fanatic is reborn as a humble farm boy with the rulebook for the universe at his fingertips! Young Erich’s quest for an invincible character build will require more than his decades as a number-crunching munchkin, though. Even with power-leveled skills, feudal life is no cakewalk—especially when you keep drawing more attention than you can handle… Can Erich adapt to his strange new world before his worst impulses take the campaign of a lifetime completely off the rails? Let the dice fall where they may!

Reino, a book-loving college student who just got her librarian certification, was just hired to be a librarian at a large university library. Just before graduating and entering the job of her dreams, she was killed by a massive earthquake crushing her underneath a pile of her own books.
Wishing for reincarnation in order to read evermore, she got reincarnated to a world with a low literacy rate and very few books, limited only to the nobility. As she reincarnated as the daughter of a lowly soldier, no matter how much she wants to read there there are no books within her reach.
If there are no books then what do you do? Why, you make them yourself, of course! Her goal is to become the librarian of her own library! In order to live a life surrounded by books, she starts by making books.

Sakai Masako (31) is a sadistic office lady. She was reincarnated as a villainess in "The S-Princes' Party", an otome game where all captured targets are sadists. She made it her mission to change them all into masochistic subs for her.

"I can't save the world!"

33 year-old Tsukina was summoned to another world by a sphere that calls itself "God." In return for granting any wish, God tells her to travel to another world as their "Savior" and bestow peace upon the land. However...

When sent to a different world, Souta was given the unpopular profession of "Monster Tamer." However, Souta also got the skill "Absolute Domination" which gives him a 100% chance to capture anything!

The story is about a guy who died due to a car crash because of a young couple making out (what bad luck!) And he was reincarnated into a fantasy world - but as a dragon! An extremely funny and powerful one! Let's see how our unlucky main character lives as a badass dragon!?

Orginal Webcomic

The God’s Tombs started to appear around the world. Due to the relics within these tombs, many were able to wield these legendary power for themselves, while others became enslaved to these users. However, a Tomb Raider appears with the purpose of robbing these relics. The Tomb Raider King. “God damn it! Did that bastard already loot this place as well?!” What you own belongs to me. What I own definitely belongs to me. This is the story of a revived Tomb Raider who will do whatever he can to claim all the tombs and relics for himself!

I accidentally took possession of someone in a 19+ reverse harem novel.

The problem is that I became Roxana Agriche, the older sister of the sub-villain. My damn father kidnapped the heroine's brother. Now, is the only thing left to meet a terrible end from the vengeance of the heroine?

But what if I can avoid that horrible development?

“I'm also interested in this toy.”

"I'll protect you until you can get out of here safely."

The heroine's brother, Cassis Pedalian, will definitely be able to pay me back later.

※Please be advised. This work contains somewhat sadistic expressions and portrayals of bloodshed due to the nature of the genre. There are images that may make you feel a little uncomfortable, so please take note.

Additionally, this is not smut; it's just R15.

Cruz was reincarnated as a low-class demon into Makai, the underworld. In her past life, aimed to be an A-list pâtissière, so now she’s bewildered by the jet-black food of this world! However, she was touched by the kindness of the demons around her. She declares, “I wish to make the citizens of Makai happy with sweets!” Thus, Cruz creates Makai's first “parfait” with limited materials. When the demons first taste her sweets, they become instantly captivated! Furthermore, even the most powerful Demon King of all time has heard rumors of her and summoned Cruz to meet him…?!

After falling into the gap between worlds, I gained “the ability to identify something’s status” for the cost of a single limitation. However, other than this skill I was completely ordinary. All I could do after landing in a strange world, was see through the status of things and use that information for my own growth.

One day, after being assaulted by enemies, a lone figure appeared and saved my life. What’s more, that person had an incredible “secret”.

Humanity's greatest gym rat Hansol, lost consciousness during a deadlift. When he opened his eyes, he arrived at a different world. Monsters appeared in front of him, and all that he could see was protein...? "I'll flip this world by working out!"

Yamada Takashi lost his life in the snowy mountains—that is what he thought, but he then appeared in an unknown place; another world that looked like the game he played. Moreover there are many things that he doesn't know... While puzzled, he still retains the strongest class ability and is relieved.

High rank magician, "Wise man" Marius is still living till today.

I confessed. I couldn't do it while sober so I took a shot of liquid courage.

“I like you.”
“Why?”
“I just like everything about you.”
“... I don't understand.”

Something's strange. His voice is deeper, his height slightly different, and his physique even more so. In fact, after a closer look, even the hair colour that reflected the moonlight⁠—this is crazy. It’s someone else. It's none other than Duke Cabel Willard who's known as the 'Grim Reaper' of the battlefields.

“Cabel.”
“... Excuse me?”
“From now on, don't refer to me by any strange titles. Call me by name instead.”

The corners of his lips that were always frozen stiff curved into a smile. It seemed like he would immediately kill me if the truth of my false confession was brought to light.
Official Chinese Translation: https://www.kuaikanmanhua.com/web/topic/5965/

The stoy of an elf queen who got isekai'd from her world into our world. Her name is Lady Elfinn, our titular queen.
And a sweet boy who believes in the Elf supremacy. His name is Isuzu.
Their fates clash after Isuzu gets assigned to take care of Elfinn, and help her accomplish her task: To become the queen of the human world and to guide us into a better future.
In order to help her with their final goal he proposes...

To master the old ways of the S&M to conquer the world!?
What awaits them in the future!!??

Guy reincarnates into the gardening apprentice who works for the rival character of the heroine of an otome game.
He doesn't care and just wants to be a gardener.

Original Novel: https://ncode.syosetu.com/n1313ff/

On the way home from school, Kashiwagi Aki is kidnapped and finds herself in a world populated entirely by beastmen. She ends up in a pet store where the overzealous and impulsive wolfman Zinovy becomes infatuated with her and buys her on sight. Thus begins their strange and chaotic, albeit incredibly cute life.

An introverted Otaku was summoned to a Fantasy world, and successfully defeated the Demon King there. Just before the ritual to send him back to Japan was complete, the country's Princess dashed into the middle of the spell to be with him.

When they both opened their eyes, they realized they were transported to a Sci-Fi themed world than neither of them recognized. Working together, they must now survive in an unknown world and find some way to get home.

I’ve been reincarnated into a world of strategic gaming where I acquired number 1 Rank!

I thought I would be reincarnated as a warrior in a gaming world that I know of, but I found myself to be a rogue lord who dies in the prologue! And I only have one day left before I die due to another country’s invasion..!

Use all your wits, courage, and gaming knowledge to face your destiny!

It’s a strategic fantasy where you risk your life to turn the tables!

Satou Shiki, a university student, was suddenly stabbed by a slasher only to be reincarnated in Labyrinth City. In this other world, he who has awakened to [Appraisal] and [Healing Magic] does a lot of “things”.

42 year old “shachiku” (company slave) Matsuda Takeshi gets worked to death, as is customary in Japan. His one dying wish is to work for a decent enterprise, not the black company he had been working for. His wish is heard by a god who, for his own amusement, has him reincarnate as a young elf male in another world, with increased affinity for earth magic and ability to command golems. The new golem master sets out on a quest to acquire the Seven Treasures left behind by a legendary mage from 1000 years ago.