Before I knew it, I was in a world of 18+ games with magic and erotica. In it, I was reborn as Ultos, the worst scum in history. If I continue like this, I will meet the worst possible fate. Somehow, I must be reborn from the hated character known as 'ScumUltos' into a pure and innocent mob character...!!

Arisa and Aina are beautiful classmates who are famous for their dislike of men. Hayato, who happened to be involved with the two, will receive "special treatment" from the girls who are supposed to hate men―?! "I want to be a slave to Hayato-sama...

"I want to fall in love and conceive his child."

The long-awaited comicalization of the unpredictable rich romantic comedy has started!

The story is set in a world where supernatural powers exist through science, and magic exists through religion.

In the story, Touma Kamijou is an ordinary high school boy with terrible academic scores and a power called Imagine Breaker. Imagine Breaker can defeat any other power, but it also undermines Kamijou's own good luck. His Imagine Breaker's immense strength is literally immeasurable, so hapless Kamijou is listed at the supernatural level of 0. He happens to meet a girl in white hanging off his window balcony. The girl says she is being chased by sorcerers, and Kamijou learns that the girl is a Church of England nun whose memories have been forcibly replaced by Index-Librorum-Prohibitorum — the 103,000 forbidden texts of the Church.

From Imangascans:
Mahiro has two goals in life: first, to finally confess to his childhood friend who he loved for so long and second, to become a famous model. But there are various obstacles in Mahiro's path! For one thing, he dresses as a girl, named Hanabusu Arisu, when modeling. As if that wasn't enough, every woman in his vicinity gets the urge to spread her legs because of the special pheromone he emits! Will Mahiro ever come to confess his love to Miwa, or will he simply widen his harem and get engulfed in endless orgy?

Anastasia, an elf renowned as a once-in-a-millennium magical talent, faces the final battle of a three-way war in another world. In the midst of battle with her arch enemies, the demon race, Anastasia is enveloped in an intense light and, when she awakens, finds herself on an uninhabited island. As Anastasia strolls around the island, a mysterious human appears before her, but she can no longer use magic...!?

One day, a picture book writer named Yorozu Hiraku was asked by his close online friend, Chintarou, if they could share a room together while he attended a nearby university. Although they only knew each other through online interactions, Hikaru agrees to it without much thought. However unbeknownst to Hikaru, Chintarou, despite having a male name, is actually a girl; a very well endowed girl.

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

Shota Iijima picked up erotic books during his childhood and suffers from a severe foreign sister fetish.

Thereafter, from the years between his age of 12 to 15, he masturbated 999 times. For his 1000th round of masturbation, he had been transferred to a different world.

And Shota is sold as a slave.

A paradise for women and hell for men… Valhalla, the penis mansion.

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

By the will of the goddess, Itsuki Shinomiya was given the privilege of choosing various abilities and being reborn in another world.
However, before going to the other world, he didn't want to involve himself in scary, dirty, gross things like battles.
Fiercely determined to live a slow life, he chose the unique skill [Pocket Money], giving him an amount of money once per day.
"With this, I can hang out with girls without having to work!"
Dreaming of avoiding battles and living with cute girls, Itsuki stepped into the other world!
But the reality was not that simple.
Getting attacked by giant bugs, getting caught up in arguments at the guild, and getting stuck with slaves?!
In the end, will Itsuki be able to live his ideal slow life?!
Using unique skills and manufacturing skills, an exciting other-world slow life with beautiful girls starts now!

After losing his girlfriend to a brave hero, Toru is expelled from his S-Rank party. With a feeling of sadness and pain in his heart, he defeats a demon he meets outside the city, and his ability [to save experience] is broken! Toru becomes level 300 in the blink of an eye! With this power that far surpasses that of heroes, there is nothing that can stop him. Kaede, a slave he met on his journey, forms a group called the "Mangyu Brigade", and easily completes dungeons, acquires the legendary sacred weapons, and thanks to his skills, his friends level up easily! He rescued a countess who was attacked by bandits on the road, and befriended a legendary beast. Oru's journey continues at a leisurely pace, as he repeatedly encounters various people along the way, while his former party of heroes are deprived of opportunities to play an active role and fall into decline. This is the beginning of the life of a 300 level warrior!

Original Webnovel: https://ncode.syosetu.com/n9483ge/

Average high school student Mikagami​ Kouji is a hardcore gamer. One day he gets isekai'd and he only gets the skill "copy" which is apparently useless but we all know it's secretly OP or something. He's enslaved to be a gladiator by his summoner, the big booba, head priestess Zayd. He has to fight in the Colosseum and if he loses he gets raped.

"Jin... I'm expelling you from the party."

Jin had been adventuring with his childhood friend, Reki the Hero, aiming to defeat the Demon Lord.
Along the way, they were joined by Yuuri the Saint and Lucika the Sage, and at last, they reached the Demon Lord’s castle.
However, just before the final battle, Jin was suddenly told he was no longer part of the party.

Heartbroken, Jin returned to his hometown...
But soon after, the remaining party members—who swiftly defeated the Demon Lord—began showing up one after another with marriage proposals!?

A slow-life × harem fantasy that begins with exile—let the story begin!

After his unfortunate death, Tomokui Kanata has been reincarnated as a member of the weakest race, a goblin named Rou. However, Rou has retained his previous life's memories, as well as an ability that allows him to gain strength and abilities from eating. He also possesses a unique evolutionary tree.

Now, Rou has made a promise to himself that he would live this life to the fullest. In this alternate world of survival of the fittest, events unfold with competent subordinates and comrades.

Orginal Webcomic

A man was about to commit suicide and decides to search for a way to die in the internet, but then he found an odd site that asked a lot of questions and had a point based system that allows you to create skills and abilities for a character. He took interest in it and when he finished setting his character he was asked "You will now be transported to a world with the settings you choose, coming back is not possible, do you still accept?" Then without thinking much of it he pressed YES and found himself in another world with the skills and abilities he chose to have.

Cid Kagenou, a boy who was enjoying the “eminence in shadow” setting in another world, plays the role of the justice with the girls called the Seven Shadows (they are very serious), such that the darkness of the world will disappear (maybe).

The curtain rises on an overwhelmingly chuunibyou and misunderstanding-filled serious comedy about the strongest Seven Shadows (and the protagonist)!?

Iruma Takumi, a 40-year old salary man, was dragged into a hero summoning just like in a template. What was his fate? The Goddess sent him and the heroes to the other world separately.

With the Goddess’ overprotective support, he landed in a different world looking handsome, rejuvenated, and quite different from a Japanese.

Although he wanted a slow life while working in the manufacturing trade, that was not permitted by the Goddess’ special body and abilities.

Would Takumi be able to live a peaceful life in a different world?

“I just want to live a normal life, why is this happening to me!” Your average student Ham Dan, whose hobby was reading “Law of Insomnia” wakes up to a beautiful novel like heroine. But even in the world of fantasy novels, her role is no different. Stuck as the childhood friend of the heroine, her normal everyday life comes to an end, becoming more twisted by her strong character.

"I can't do this!"

Yoke Feldio, A Red Mage, has left his A-rank party of five years to become an adventurer, and has finally run out of patience with his life as an adventurer. being ridiculed as a "Handyman" and "poor dexterity"!

And so begins a desperate life of joblessness....

HOWEVER! Soon after Yoke is welcomed into a party of former students, all of whom are girls! And as he conquers dungeons, Yoke's abilities are revealed one after another.

In fact, the magic and skills that he wields have a power that is beyond the norm--?

From MangaHelpers:
29-year-old programmer Suzuki Ichirou finds himself transported into a fantasy RPG. Within the game, he's a 15-year-old named Satou. At first he thinks he's dreaming, but his experiences seem very real. Due to his use of a 3-time-use special power (meteor shower), he ends up wiping out an army of lizardmen and becoming very high level. He hides his level and plans to live peacefully and meet new people, though developments in the game story (like the return of a demon king) might get in his way.