A story of a young man who lacks a sense of reality after being dumped by his lover. He was visiting a seminar on cultural anthropology with his fellow classmates when he discoveres an ancient wall painting, which transports him to the past where mammoths dominated the world.Action

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.

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!

From ANN:

Guts, known as the Black Swordsman, seeks sanctuary from the demonic forces attracted to him and his woman because of a demonic mark on their necks, and also vengeance against the man who branded him as an unholy sacrifice. Aided only by his titanic strength gained from a harsh childhood lived with mercenaries, a gigantic sword, and an iron prosthetic left hand, Guts must struggle against his bleak destiny, all the while fighting with a rage that might strip him of his humanity.

Warning: This manga is for mature audiences only, since it has sexual content and graphic violence (gore, blood, rape, etc). Definitely not for the weak hearted.

The 1988 Prototype chapter won a prize at the Comi Manga School Miura attended and the main series won the Tezuka Osamu Award for Excellence in 2002.

A prequel series revealing Goblin Slayer's past and the events that led him to become an adventurer with the sole purpose of exterminating all goblins from the world.

”Is it okay to kill people?"

A treacherous revenge suspense by Shiryu Nakatake, a newcomer to Bessatsu Shonen Magazine.

"Shun, if someone is converted, let him go and do nothing. He should be given a chance to be reborn."

"Grandpa, I hope he doesn't reincarnate himself."

In order to defeat several non-human monsters, the boy also became something non-human.

Shin Uruma, a sixth-grade student, was named "Experimental body: A" by five of his classmates and was severely bullied and lived in hell. His only peace was with his brother, who loved him, and his parents, who protected him.... . until the five monsters killed his family.

When he finally loses everything and faces true hell, a dark "wish" is born inside Shun. He was reborn under the training of his grandfather, who served in a secret unit during WWII. Now, four years later, he appears in front of his fated enemy.

"I won't let ANYONE get in the way of my revenge."

A mysterious command given to Tomita Yuzu, whose livelihood is assassination. "Kill the one you meet now." However, what appeared in front of me was another self ...!? An unpredictable "Hitman's" action comedy presented by Yokusaru Shibata and Makoto Sawa's "Blue Striker" duo !!

Circa 1937. A Japanese soldier in Manchuria meddling in the opium trade.

One day at school, Youta Tada sees someone strange entering school. Out of nowhere this being appears next to him and makes him fall from the third floor! But before he hits the ground, he wakes up in a strange world where beings like dragons exist! Youta then meets a young paladin named Lumi and discovers that he is the only man on the entire planet, and also that its inhabitants are extremely 'weak' to his presence or more specifically, his touch. Would this be a paradise?

It finally happened, Shirakawa Mikoto was confessed to for the first time in her life! Otsuki Makoto wasn’t exactly her ideal man but, she wanted to have a boyfriend to show off to her friends. It turns out dating someone you don’t even know can be complicated, especially if they are a bit strange.
This is a raunchy, heart pounding love story. Expect goosebumps and some doki doki action on the side.

Nezumi is a girl who was raised as a hitman by the yakuza and grew up not knowing human love. An ordinary young man, Ao, knows nothing. They fall in love and start to live together, but the evil hand is close at hand.... This is a story of first love, so cruel and so sad.

The world is filled with cruel scum, ranging from petty thieves to sociopath maniacs. When a vile low-life inflicts pain and suffering on innocent victims, sometimes their anger becomes overwhelming. Whether their damage stems from romance, finance, reputation or even a death, these victims feel trapped in their own skins and lives.

Those victims who can't stand it anymore call for the mysterious woman, owner of Uramiya, the "Revenge Shop".

The Uramiya specializes in executing revenge schemes. The vengeance their customers request on their bitterly resented enemies could range from financially destroying them, to smearing their social reputation, to even taking their lives. As long as you pay a fair price, the Uramiya will guarantee you get the revenge you deserve.

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

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.

Before successfully being able to commit suicide, Takeshi Hirota, a bullied high school boy is transported to another another world where he is accepted by the orcs due to his appearance.

XX years have passed since the enforcement of "The Human Rights Proper Use Act." In the city, "humans with rights" live prosperously, while "humans designated as livestock without rights" are displayed in shop windows. The humans used as pets, experimental animals, and meat are pitiful creatures living in a world separate from mine... or so it was supposed to be.

Five students, 3 women and 2 men, wash ashore a remote island, survivors of ship sinking.

Finding themselves in this extreme situation, their instinct and conscience intersect and collide!
Crossing thoughts, feelings of love and hate mixed with trust and betrayal. A story of uncontrollable libido and murderous intent…

Original R18 web novel: https://novel18.syosetu.com/n1896br/

Death row prisoner. Criminals who committed violent crimes and were sentenced to death by law. Akari, a woman who had no meaning in the prison island “Deep Palace” near death, accommodating them, acted with a certain purpose. Just when she thought she was able to complete my purpose safely, the death row prisoners have started to kill each other? A battle royal “Killing” was held where men and women were separated and the remaining team could escape!! Can Akari survive the “Killing” safely and escape from prison? Blood, Eros, and dangerous guys fly around, all the characters, a Battle Royale of all scum prisoners!!!!!

This is the legendary Go Nagai's breakthrough work. Harenchi Gakuen is an elementary school whose teachers and students are all perverts. Boys peep girls changing. Girls pull up their skirts and show off their panties. Actually, it's not as evil as you imagine. They're like cubs playing together. It's only pre-school eroticism, nothing sexual. In spite of that, Harenchi Gakuen became a sensation. Parents, teachers, and politicians hysterically attacked the comic's immorality.

When the Devil King announces his retirement, he calls forth his two sons, Yomi and Sora, to give them each a quest. Whichever of them finds a pure Yamato maiden within a year would inherit the throne of the Devil King, while the other would die. Thus begins Sora's sex-fuelled adventure to find a woman that can satisfy his father...
(Sakigake!! Otokojuku Wiki)