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.

I am an aspiring mangaka, currently assisting in the production of erotic doujinshi as a middle school student. While I was reading doujinshi at school, a beautiful girl very interested in erotic things, Sasha-san, suddenly called me "Master"!?

The story of a beautiful, cheerful girl volunteering to be my ecchi disciple.

(Source: Kadokawa, translated)

One random day, a high school girl is suddenly able to see ghosts! She can't run but she tries her best to act like she can't see them at all. The story of a girl with a sixth sense begins!

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.

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!

Annoying! Cute! But Annoying!

The daily life of a quiet college student who just wants to left alone, being teased by his cute, stacked underclassman.

Somewhere there is a strange café called "Statice" where all sorts of even stranger people meet, each with a very special and different fetish. The owner, Mr. Sennichi, welcomes these special customers every day, and tries to help them solve their fetish related problems.

The manga centers on Jouichirou Shishido, a 19-year-old man whose frank honesty has cost him 26 part-time jobs. One night, he runs into a group of muscular bodyguards who protect the streets at night, members of a private security firm known as “Tokyo Fist,” which ends up changing his life.

Billionaire Tono Ryuichi, the President of Tono Foods Group, a giant food company, recently acquired two young female assassins from the Mexican cartel. Sui and Ai came from unimaginably poor childhoods and were given a choice between killing people or selling their body. They chose the former and went through an inconceivably extreme training and, at 17 years old, they have become one of the deadliest assassins in the world. They are absolutely obedient to their master and they are given the task of finding the killer that poisoned Ryuichi´s wife and child. They begin attending high school to blend into society and, at the same time, read and study which helps them become even more deadly on the field. Sui and Ai encounter Matoba Imari who is a high school assassin herself and may be more skilled than both of them. But unlike the two, Imari just wants to lead a normal life. Whatever Imari wishes for her life is not their problem, because the only things Sui and Ai feed on are bloodthirst and a challenge.

One day, all the eighth grade students were transferred to another world.

The princess of the other world summoned them to make up for their lack of strength. The students are threatened and decide to follow the princess, and they are made to take a magical power test to determine their abilities. While everyone is sorted according to their results, Kokubun Kento's result is a flop.

Judged as useless, he is expelled. However, there is actually a tremendous ability lurking within Kento...

The life-size eighth grader Kento, together with his fellow skeletons, aims to rescue his classmates!

The overly serious vampire, Chitose's first love is her childhood friend, Santa. But when she sucked his blood, she realized. There's no way I have a fetish like this...!?

There was someone who set out after receiving orders from the Absolute One who first unified the continent to learn the secret of immortality. He believed that he would definitely discover the secret of immortality even if he had to travel all over the world. He never returned until the Absolute died and the empire collapsed, leaving behind only numerous speculations and gradually being forgotten in people's memories. And after a long time...

You know the deal by now. Middle-aged office worker gets sick and dies. He meets God, who tells him that he can be reincarnated in a new world. Our main character accepts, and decides to become a farmer.

Welcome to farming in an alternate world.

On my 24th birthday, I came home to find a woman who wanted to be my girlfriend! As a "loner" since junior high school, I was confused by all this. But the truth is she is my mother's junior at work, and my mother asked me to!? A pseudo-romance between two people with the same interests has begun!

“I'm not just a foil!”

In order to stop more people from reincarnating into his world, the former elite knight leader sets out on a mission!

An unprecedented comedy about preventing any and all reincarnation is about to begin!

There are animals that were abandoned by Dangun and live secretly in the human world. Narae, an ordinary high school student, discovers their existence...
A modern version of Beauty and the Beast with comedy and exorcism action.

‘Will the project of becoming human, for the animals that could not become human, be successful?'

As the only hope to stop the end of the world,
I’ve lived 99 lives with everyone pressuring me to sacrifice myself.
I dearly hoped this life would be my last…!

“A lady is born!”

I’ve ended up beginning my 100th life.

They’re going to give me a hero treatment and sacrifice me again anyways.
Is what I thought, but—

“Thank you for being born safely.”
“Unnie’s gon to get dem all for you!”
“Can I please see our youngest smiling as well?”
“Hey little baby, did you miss me?”

This life is a bit… weird.

When squirrel-shifter Beaty Aslan tells her fiancé, Prince Retter, that she plans to flee her abusive aunt, he unexpectedly kills her with his snake fangs. Upon opening her eyes, she finds herself in the past, before she met that rotten prince. With her knowledge of the future, she sets off to her father's duchy to strike a deal and change her fate, but is surprised to find her lion family welcoming her with open arms. Will the stars be on her side so she can rewrite history and get her revenge?

A new relationship begins after a seven year reunion!

After being separated for seven years between Hokkaido and Tokyo, a young man waits at the airport to reunite with his best friend. However, what arrives instead is a message from his best friend saying he will be late, and a mysterious beauty! The ever-spirited mangaka, Hiroki Ohara, makes his debut on Comic Newtype!

From MangaHelpers:
People have been created that are human-animal hybrids, and powerful businesses bet on the outcome of their duels. College student Nomoto Yuuya's casual acquaintances ask him to drive them around to pick up girls one day, which he soon finds out means by force. The girl they kidnap is an animal-human hybrid named Hitomi, who slaughters all of them except Yuuya. Hitomi is a honey badger, which has been called the most fearless of all animals. Now Hitomi is assigned to stay with Yuuya, for his protection.