Before I realized, I had become the guardian of a dungeon, a Demon Lord. I was suddenly in a dangerous world with giant monsters loitering around, fighting for their existence, so I thought to go about developing the dungeon in order to not die but —- for some reason I was having quite the good time…. How did it turn out like this?

The protagonist, Yuki, having to live in that world now, uses his bold and sharp senses and spends time with a supreme dragon girl and a vampire girl; Sometimes laughing, sometimes being angry, passing days doing what he likes.

Seven women, one man, a suspenseful harem story!

During a class reunion, the school became an enclosed dimension without warning. Yelling and screaming brought no response. 26-year old unemployed Haruka Sato has to survive by cooperating with seven of his former classmates. Soon, the extreme conditions began to eat away at their sanity, and Haruka's hidden desires began to take hold.

The Arisaka sisters (Hatsune and Kazuki) and the Kagura siblings (Yuuji and Marie) lived next door when they were smaller. So close that they could climb onto each other's verandas from the 2nd floor. They would always play together until one day the Kagura siblings had to move.
It's been 10 years and the Kagura siblings are moving back! Yuuji's turned into a pervert and Marie isn't the crybaby she used to be?

From Seven Seas Entertainment:
Monsters? They're real, and they want to date us! Three years ago, the world learned that harpies, centaurs, catgirls, and all manners of fabulous creatures are not merely fiction; they are flesh and blood?not to mention scale, feather, horn, and fang. Thanks to the "Cultural Exchange Between Species Act," these once-mythical creatures have assimilated into society, or at least, they're trying.
When a hapless human teenager named Kimihito Kuruzu is inducted as a "volunteer" into the government exchange program, his world is turned upside down. A snake-like lamia named Miia comes to live with him, and it is Kuruzu's job to take care of her and make sure she integrates into his everyday life. Unfortunately for Kuruzu, Miia is undeniably sexy, and the law against interspecies breeding is very strict. Even worse, when a ravishing centaur girl and a flirtatious harpy move in, what's a full-blooded teenage human with raging hormones to do?

The strongest and oldest dragon who had lived through eternity allowed himself to be killed by Hero. Just as he prepared for eternal sleep, he realized himself reborn as Dran, a villager in the frontier.

Working the field, hunting forest animal, and having a warm life has filled his heart with joy he never experienced in his whole dragon life.

One day, when he's patroling the forest near his village, he encountered a powerful demon army...

Losing his memories, the curtains of the story of alternate world transfer of the MC rises. After the transfer his name changes to Kelvin. While steadily levelling, he adds new subordinates by mastering his skill. And by the time he noticed it, he had obtained overwhelming power. Where will our MC be heading off to?

Otakura is a high school boy who's clearly an otaku, and Narumi is a high school gal. Normally, these two polar opposites would never cross paths, even at school. But by a strange coincidence, it turns out Otakura is able to use his inherently handy nature to help out Narumi with her own hobby-related requests, one after another?

One day 's lunch break, suddenly a male high school student Yuzo Ogata being transferred to another world of sword and magic together with four other friends.

According to the Princess of Space-Time Magician, a foreign world who summoned them, they want them to beat the Demon Lord as Heroes to save this world.
Suddenly I was surprised at four friends "Temple", but it was a relaxing expression ... ... where the princess told of a startling fact!
"`―― There should only be four braves though?"
"A man who was mistakenly summoned to a different world" What will be in store as to his fate?

Source: http://konomanga.jp/manga/taitei-cheat

That's right, let's become a monk!

Not knowing what to do with his worldly desires, Akagami Akemitsu aims to live a stoic life. However, the thick karmic blood flowing from him will not permit it!

My childhood friend, Magary, was chosen to be the saint. From here on out, she'll have to maintain a smile at all times while at the royal capital and take lessons in etiquette and dance. She'll be living in an excruciatingly stifling world. Having been together since birth, there was naturally one thought in my mind.

While feeling a little bit of loneliness… I pushed my childhood friend (who was trying to escape with all her might with her arms still bound) towards the knight that came to pick her up.

"Alistaaaaaaaaaaaaar!!"

I feel as if there was some deep resentment in her voice, but that's probably just my imagination.

As her last act of futile resistance, she had me see her off to the royal capital… but, that ended without any problems.

"Now that that's over with, I'll be heading home. Good luck ^^"

I turned my back towards my childhood friend who looked me with deep resentment in her eyes. While I was making my way home… I had to turn around as I was chased by goblins.

"Noooooooo!! Someone, helpppppppp!!"

This is the misunderstood heroic tale of a scumbag hero and scumbag saint mutually getting in each other's way as they attempt to pursue happiness. [Source: MU]

Mankichi Akatsuki works for a publicly traded IT company, and his work and relationships are going great, but there's one thing that sets him apart: the rest of his family (mother, older sister, and two younger sisters) are all unemployed. Though they're all motivated, for some reason they can't find work. On top of that, his childhood friend Minayo loses her home and comes to live with them... His goal is for everyone to become independent! And to wed his childhood friend!!

(Source: Houbunsha, translated)

Sakra, the last surviving princess of a fallen kingdom, is being hunted down for the power of Ambrosia she possesses - the ability to grant divine strength, but only to a human. With no human companion, she decides to summon one from another world in a desperate attempt to find a knight to protect her, but the man who answers her call is less than what she had hoped for.

Kai who was reincarnated into a different world, thrown away by the corrupt church into an isolated Island full of dangerous demons. The key to surviving on the island is the Kai's Cheat ability to summon a different world's item that Kai only used in. With this ability, Kai built a “Pioneering Village”. Kai's survival & the fate of national life!

It is a different world ability that only you can enter, cute girls and survival life!

A boy named Atsumu was branded as "useless" by his famous sisters and banished from his entertainment-industry family. However, hidden within him was an extraordinarily talented "behind-the-scenes support" skill that neither he nor his family had noticed! After transferring schools, Atsumu is now determined to live a normal life, but as he crosses paths with talented entertainers—VTubers, idols, and models—his natural ability starts to shine, making him their indispensable support. They can't help but adore him, turning his simple wish for normality into a showbiz underdog success story!

I, Tendou Haru, who was somehow aiming for becoming a mangaka, became a winner in life. Super rich bishoujo elementary school student, Nijou Touka was a big fan of mine, on top of that, she said that she is going to be my patron. Just like that, my ideal living off someone lifestyle had started.

A man who has been reincarnated in a different world acquires the vocation of "pole master" in the new world! However, that special ability is not used to defeat enemies, nor to gain power, but to embrace the beautiful girls who appear one after another with all one's might! A unique story of conquering another world begins here!

The protagonist, “Sao” has been reborn with his memories from his past life. He’s born as a son of a rural villager, but his true identity is a reincarnated person with cheat abilities and the knowledge of the modern world. With the class “Rod Master,” he received as he grows up, and the many skills that came up with it, he can defeat enemies, help people, and even for sex.

“O, Hero!” With that cliched line, Kazuya Souma found himself summoned to another world and his adventure-- did not begin. After he presents his plan to strengthen the country economically and militarily, the king cedes the throne to him and Souma finds himself saddled with ruling the entire nation! What’s more, he’s betrothed to the king’s daughter now?! In order to get the country back on its feet, Souma calls the wise, the talented, and the gifted to his side.Five people gather before the newly crowned Souma. Just what are the many talents and abilities they possess… What path will his outlook as a realist take Souma and the people of his country down? A revolutionary transferred-to-another-world administrative fantasy series starts here!

Tachibana Souta is a bit of a multi-talented freeter who gets by from one part-time job to the next, his standout characteristic being that he's a bit short. One day he's roped by his older sister into 'serving' their college's volleyball team, of which she's a member. She also happens to be at least 6 and 1/2 ft. tall, as do the rest of the team's members who take quite the interest in Souta.

What will happen when you wake up, and find a cute girl lying next to you in bed? Furthermore, she is not an ordinary girl, but an Angel who comes from Heaven???

Moritaru Tokamitsu is a high school boy living alone. One day, he found a beautiful girl sitting on his balcony. Her name is Towa, but what is her true identity? A romantic comedy between two innocent souls.

Junpei Ichinose, a student at a magic school in Tokyo, is a dropout who has never discovered his magic aptitude. Suddenly, the beautiful witch Meryl appears before him and tells him, "I need your power, the reincarnation of the Demon King". Junpei finds out that he has the power of the Demon King. He learns that he has the power of the Demon King, and his secret is revealed to Sonia, a beautiful girl who is a descendant of a brave warrior. Junpei, who has no intention of becoming a Demon King, persuades Sonia to teach him how to use his power properly. However, the Demon King's power is the strongest and worst "erotic magic"!

The harem school battle to master H-magic with beautiful girls is about to begin!