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.

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?

Narumi Rokurou is still adrift in life in his forties, unmarried, and working as an editor at a publishing company while writing hardly lucrative literary fiction. His days enjoying life at his own pace are brought to an end one summer night, when a strange twist of fate brings Rokurou together with a mysterious beauty, beginning the story of their crazed love. As once was spoken by Zarathustra: "Everything in a woman is a riddle."

In our world, the human race constantly debates about several important issues, such as: which girl is the best girl? How good is something as fapping material? Which fetish is the sexiest?
Accompany these great warriors as they present us with different girls, different opinions, different boners, and show us that the fantasy world may not be all that different from ours.

"I do not trust humans. They’ll betray you without fail.” Aur, the man who had obtained the ability and right to become the Maou at the end of his life of research. Summoning the succubus Lilu, he then sets out on creating his own domain, a gigantic labyrinthine dungeon… The misanthropic Maou taking on the world, the curtain rises on a dark harem fantasy!

The manga centers on Kamo and his partner Tora, who work in the underworld as "avengers for hire," taking on jobs from the victims of violent crimes and families seeking vengeance for wrongs done to them.

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.

An office worker, Yuuto Aida, witnesses his wife's affair at home! When he jumps out of the house, he gets hit by a truck and is reincarnated in another world as a hero!! However, due to the misunderstanding about Goddess Reincarnation, he only had one skill, it was a skill that could captivate other people's wives!!

(MTL)

A young priestess has formed her first adventuring party, but almost immediately they find themselves in distress. Luckily for her, the Goblin Slayer chose that place as his next killing grounds--a man who's dedicated his life to the extermination of all goblins, by any means necessary. And when rumors of his feats begin to circulate, there's no telling who might come calling next.

Tsukimiya is a dutiful kid who has been looking after his family since his mother's passing, and a popular pretty boy at school, but he rejects all those who confess to him due to an unrequited love he holds for one of his teachers. However he suddenly finds himself kidnapped by a group of beautiful women, who promise him a life of daily torture from now on.

Meet Tsubaki Kuchinashi, the Manhater Prince. Beautiful and popular, Tsubaki's core strength in high school comes from her position as the principal's granddaughter - suffice it to say, but any student or teacher who even looks at her the wrong way could be expelled at a moment's notice.

Meet Tadashi Kiritsu, the head of the Public Morals Committee. As sharp and rigid as his glasses, Tadashi despises Kuchinashi's iron grip on the school. Naturally, a challenge to her rule bothers Kuchinashi, and she decides to get rid of him as soon as possible. Her plan? Get him in a honey trap. However, that's easier said than done.

This is the story of a young slave gladiator in an underground arena. He doesn’t know about his past or how he got to where he is, only that his name is Aegir, and that he is strong.

One day he kills the boss and escapes the arena, joining a band of mercenaries as a new recruit. During one mission, they encounter the vampire, Lucy, who slaughters the band with her inhuman strength. After learning that Aegir only knows how to kill, Lucy lets him stay at her house, educating and taking care of him.

Two years pass, and on the day of Aegir’s departure, they both exchange a promise that if Aegir becomes a king and owns the land of Erg forest, he can come and take her as his woman. Making this his life goal, Aegir set out on a journey to become a hero, a king, and found his own kingdom.

What happens when next door to Fujiwara, an upcoming mangaka, moves Yuuki, who was his teacher back at high-school and first crush? Yuuki, a married woman now is starting a new life in the city but her husband is always away on business so she finds comfort in the company of her former student but what she doesn't realise is that Fujiwara can listen to everything happening in her apartment through the building's thin walls.

An official manga adaption by Butcha-U of a Light Novel by Munmun with Character Designs by Mizuryu Kei.

The 30-year-old Satou Tarou accidentally dies and gets transferred into another world by god. After receiving a curing cheat ability, Satou Taro changes his name into Tauro and begins a fresh life.

Somebody wants the Earth! After being invaded for 6 times by monsters and aliens, Tokyo was damaged and almost destroyed. When Runna Minami meets an honor student, Mika Kujiraoka, the bishojo fighters of justice, Mikarun X, are born.
They transform themselves into giants and, without wearing anything, the two heroines fight against the various enemies.

This is the story of Misora Haebaru, an 18 year old karate expert from Okinawa who went to Tokyo to enter the entertainment industry in hopes of supporting her family. She gets tricked into being a gravure idol who wears lewd clothing and is forced eventually to enter the AV world, but she wont go down without a fight.

A young man who died in an accident while protecting a girl reincarnated in another world and was picked up by an old man. However, the old man wasn't just a person. Far from being just anybody, he was a "hero" who didn't understand common sense at all !! This is the story of a reincarnated person, Rain, who, fortunately or unfortunately, was raised by an unscrupulous hero and has acquired tremendous power. --Soon the boy grows up and makes a harem !?

Kitou Yukinari is an ordinary high school boy. However, while playing a game of pocket pool one day, he suddenly felt as if he was passing a kidney stone. But this kidney stone was shiny and pink?

A trip to the hospital shows that Yukinari has a medical malady called Adamasu Syndrome - in short, whenever he jets his juice, a little diamond pops out of his saltshaker. Of course, it's painful as hell, to the point where even the act of popping the champagne bottle will shave off his lifespan. And of course, once his secret comes out, dozens of women flock to seduce him, their best friend now stuck inside his best friend. Can Yukinari survive when the world wants to sell his seed?

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.

Ponta anxiously awaits the first big event in his high school life that will give him the opportunity to lose his virginity. A trip to the beach with his friends Taro and Jiro, in the company of three girls, Emi, Rumi, and Chisa. Coupling is done by janken and Ponta ends up with Chisa, the girl of his preference. His plans fail miserably though, when it turns out that Chisa is not so willing as he thought she would be. So, at the end of the trip, unlike his friends who tease him about this failure, he still remains a virgin. To his friends' surprise though, Chisa turns around and asks him to keep in touch.
Thus begins the romance between the two. Their friendship evolves into love, and like in any relationship, there are a few hurdles to overcome. For starters, Chisa is still very innocent and has good reasons not to hurry their physical relationship as much as Ponta would want to. Ponta, who has hopelessly fallen for her, decides to endure this and help Chisa uncover her womanhood.