While all of his classmate were transported to another world as heroes, for some reason he was left out as the dungeon master... and he, Satoshi Shinta, became the world's enemy. As the enemy of humankind, in order to survive and live a pleasant life in another world, he had a big choice to makeー. Through devilish methods, make his enemies fall, and strengthen his dungeon!!
To violate his enemies or kill them, the curtain raises on (male) Satoshi Shinta's devilish dungeon management!!

Shou-chan is a member of the public morals committee who wants everyone to have a healthy relationship, and is worried about his childhood friend Sayo. Because she carries the blood of a succubus, she often approaches her beloved her Shou-chan in any way to make him "lovey-dovey sex". As he persists in having a healthy relationship, which is full of lust and surrounded by questionable students, will Shou-chan manage to keep his sanity?

Peter Grill is known throughout the land as the world's strongest fighter. He has a girlfriend who he's steadily trying to get closer with. Life is good for him.

Until he realizes that dozens of women, who want to bear strong children, are all vying for his seed.

A noisy little family, a cheerful group of classmates, and a boy, born on the first year of the lunar calendar living a never changing life. Then one day he notices a girl in his class shrouded in mystery. Her name is Makina. However, the boy just can't seem to bring himself to talk to Makina. Then one day, before the first lunar calendar month, another mysterious beauty appears. Her name is Rushia, and as she leans in as if she is going to kiss him, she tells him about a mysterious power hidden inside him called "Snake Eyes".

A Japanese salary man was reincarnated in a different world with swords and magic. He reincarnated into the family of a powerful noble. One day when he became twelve years old, he was suddenly summoned by his father.

「 I do not mind whether it is a woman in the town or a maid in our house, learn about women.」

Having gained the permission of his father, he uses his power as a noble to have his way with women.

Yuuto is an ordinary high school boy who, one day, notices a mysterious tarot card by his bed. He shows it to his parents, who give him the good news - as the son of demonkin, he is eligible to become the next Demon Lord. As such, Yuuto is soon brought to a demonic academy in order to improve his devilish skills and earn the title of demon lord. And, you know, get a harem along the way.

From the author of Masou Gakuen HxH and Ecstas Online.

Fujinomiya Soujirou is transported to a fantasy world with only his Daisho (pair of samurai swords) in hand. The katana can talk and swiftly informs him that it is Hotarumaru, the legendary national treasure of Japan thought lost during World War II. The wakizashi is to young to have a voice, to Souji names it Sakura. This is the story of Souji and Hotarumaru's journey through a new world as he seeks to achieve ... a sword harem?

There was once a man who was summoned to another world, and saved it. Of course, he became too popular there, and turned into an isekai-normie. However, that man fell into a “trap”, and was forcibly returned to his original world. Moreover, he had to start over as a baby! This is the story of the way-too-fantastic ex-hero who lived as a gloomy high-schooler as he gets summoned once again to that other world in a very unexpected development!

Souichi Kirisaki, who teaches at a private middle school, has a problem. Three of his students, Senka Yutugami, Yuki Kitsuregawa, and Momoka Watarase, make fun of him. Souichi wants to be well liked, but the girls look down on him and tease him every day. Soichi is troubled, but the truth is that all three of them love Souichi, they just can't be honest with him, plus Momoka is a stalker... A sassy and cute romcom between a teacher and three middle school students!

Note: formerly a two-part Oneshot, it became serialized as of Chapter 3.

From Lezhin:
Once a world ruled by men, women stand up and fight to become men's equal. Now, in a land that is equally divided up between man and woman, the battle of the sexes is on! Who's going to win? But more importantly...what's the name of the game?

Because he did not pass his college entrance exam, Kagami Kyosuke cannot stay close to Kojo Hikari, the love of his life. So instead he gets a part-time job near her university and buys an old camera since Hikari is passionate for photography. But as it turns out, this camera also possesses a secret which will get him involved in all sorts of embarrassing and awkward situations, especially with Botan Oshikiri, his senpai and co-worker. How will Kyosuke's life play out now?

Can sensei be the heroine? Please?

Due to a traumatic experience, I have a distrust of people called “sensei”. I, Saiki Makoto, was called by after school by the most popular and beautiful teacher at my school, Fujiki Maka-sensei.

“I… love you” Eh– a confession out of the blue!? “Until you say you love me, I will continue to pursue you”

Ever since then, I’ve been called by for “guidance counselling” after school, somehow watched AV together, being given excessive skin-ship, went on dates together. Over time, I gradually became conscious of Sensei…? But isn’t it bad for Sensei to go out with her student?

A romance that is absolutely NG, the forbidden love between us two.

Lesson start!

Alternative Raw: http://seiga.nicovideo.jp/comic/40299

In a land where no magic is present. A land where the strong make the rules and the weak have to obey. A land filled with alluring treasures and beauty yet also filled with unforeseen danger.
Xiao Yan, who has shown talents none had seen in decades, suddenly three years ago lost everything, his powers, his reputation, and his promise to his mother. What sorcery has caused him to lose all of his powers? And why has his fiancee suddenly shown up?

Tenjou Yuuya has been a bullied boy since the past.

He lives in the home of his beloved grandfather while he goes to school. As usual, he receives a harsh bullying, and he takes an extended absence from school to have some time to heal his wounds.

While on this long time of absence, he takes the opportunity to clean his grandfather's house and goes to a room he never went before, where his grandfather keep many different objects that he gathered from his travels around the world. While he was arranging the objects, he found a door not on a wall among the objects.

Out of curiosity he opens this door, what he found on the other side was...

A hangover leads to a shared life between a thief and a slave girl.

Harris is an adventurer who works as a thief and scout, a job that is often shunned due to poor reputation.
One day he gets drunk and buys a slave girl, Tiana. Tiana, who had been treated badly and not given enough food until then, comes to adore Harris, who treats her kindly, as her master. Harris, who had been hoping that Tiana would grow up to be a beautiful woman, is gradually drawn to her because of her innocence.

Harris' life changes drastically when he begins living with Tiana: warm meals, freshly washed clothes, and interaction with the townspeople who had never come close to him before. On the other hand, he finds himself in more and more troublesome situations, will he manages to escape from them with his skill and tact...?
This is the story of the "rebirth" of a shabby thief, which begins with an encounter with a slave girl.

Humans and demihumans live together in peace, and in this world, there's a normal human named Hironori Tabata.
One day, an angel named Suzuki Lina went out to find him and said she wants to have sex with him...the reason—? The Demon King will be resurrected in the future and Tabata's son will be the hero that will fight and defeat him.

Loser + Isekai + Cheat ability = Harem

Egil, an S-rank adventurer who has lived hateful of "slave", falls in love with one slave at a slave auction he was forced to bring.
She was Eleanor, the former third princess of the Kingdom of Cornelia.
Eleanor, a slave to Egil, begs Egil to "kill my childhood friend who sold me to a slave trader"! !!
Keep an eye on the estrus slaves if there is a chance! Can Egil rescue the body and mind of beautiful girl slaves and bring peace to this world ...!

That day, Ishida Yamada was working part-time as usual. When he opened the back door after finishing his part-time job, he found a blank space and a person who called himself God. It was by chance that he was chosen by God to go to another world. He was perplexed, but decided to live anyway. Thinking about how to survive in this other world using the skills he received from God, he tries his best to have a physical relationship with a beautiful woman in this other world.