"Candy", a mysterious drug whose main ingredient is just ordinary sugar, is spreading like wildfire in Tokyo. When Susui, a narcotics agent who has infiltrated the yakuza to get closer to Candy's manufacturer, finds himself in danger, a self-proclaimed "magical girl" named Riri Hoshina comes to his rescue...!

(Source: MANGA Plus)

Souji Enishiro, 15 years old (high school dropout), is a controversial streamer, "Aoringo," who makes a ton of money through his violent and outrageous video content. Although he is seen as a troublemaker, in reality, he is a kind older brother who loves his younger sister and sweets. Even his controversial videos are just a means to cover the huge medical expenses for his sickly younger sister. No matter if everyone in the world hates him, he is happy as long as his sister is doing well. That is until something happens to his beloved sister...

“I want to have a wife as gentle as a rabbit and a daughter as cute as a mongoose.”

On Christmas Eve, after making a wish to a mysterious Santa and heading...

After losing his girlfriend to a brave hero, Toru is expelled from his S-Rank party. With a feeling of sadness and pain in his heart, he defeats a demon he meets outside the city, and his ability [to save experience] is broken! Toru becomes level 300 in the blink of an eye! With this power that far surpasses that of heroes, there is nothing that can stop him. Kaede, a slave he met on his journey, forms a group called the "Mangyu Brigade", and easily completes dungeons, acquires the legendary sacred weapons, and thanks to his skills, his friends level up easily! He rescued a countess who was attacked by bandits on the road, and befriended a legendary beast. Oru's journey continues at a leisurely pace, as he repeatedly encounters various people along the way, while his former party of heroes are deprived of opportunities to play an active role and fall into decline. This is the beginning of the life of a 300 level warrior!

Original Webnovel: https://ncode.syosetu.com/n9483ge/

In the early days of the virtual reality game, Arena, MeleeGod was the strongest ranked player! He deleted his character and suddenly left. In order to restore his bankrupt family, he returned to Arena! "Do you want to create a character?"

Before the Pirate King was executed, he dared the many pirates of the world to seek out the fortune that he left behind in one piece.
As a child, Monkey D. Luffy dreamed of becoming the King of the Pirates. But his life changed when he accidentally gained the power to stretch like rubber...at the cost of never being able to swim again! Now Luffy, with the help of a motley collection of nakama, is setting off in search of "One Piece", said to be the greatest treasure in the world.

Note: The best-selling series in manga history.

Was a finalist for the Tezuka Osamu Cultural Prize from 2000 to 2002. The German translation of Vol 44 won the Sondermann audience award at the Frankfurt Book Fair Comics Centre in 2005.
Won the 41st Japan Cartoonists Association Award Grand Prize alongside Neko Darake in 2012.

5 years after the world changed, the final boss appeared. [The final boss for area Earth, the Frost Queen, has appeared.] The final boss! If we can just defeat her, our lives will go back to normal! The top five players in the world, including Specter Seo Jun-ho, finally defeated the Frost Queen... But they fell into a deep slumber. 25 years passed. "A second floor? It didn't end when the Frost Queen died? Specter awakes from his slumber.

After two years of being dormant inside Tsutomu Senkawa, an accidental encounter with their old nemesis violently wakes Birdy up. With Birdy kicking evil's ass once again, the dark secrets of the experiments conducted by the "Agni" corporation are slowly revealed. They seem to be dabbling with human body enhancement, creating what they call "beast men," to combat the alien invasions related to Birdy.

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)

When I opened my eyes, I was inside a novel.
[The Birth of a Hero].

[The Birth of a Hero] was a novel focused on the adventures of the main character, Choi Han - a high school boy from Earth who was transported to a different dimension - alongside other numerous, rising heroes of the continent.
I became a part of that novel as the trash of the Count’s family, the family that oversaw the territory where the first village that Choi Han visits is located.

Choi Han became vengeful after that village was destroyed by a mysterious group of assailants, and grew incensed after he reported the matter to the Count's son and got brushed off. He gets beaten to a pulp.

“…This is going to be a problem.”

But, I feel like it is worth trying to make this my new life regardless.

The infamous leader of the assassins known as the Shadows, Raon, had lived his entire life as a dog on a leash.

However, through a twist of fate, he obtained a new life—as the grandson of Glenn Zieghart, the Destructive King of the North!

He prepares to use the Ring of Fire he still possesses as an infant to begin cultivating when he's diagnosed with the Curse of Frost.

With the odds stacked against him, will he be able to finally stand on his own feet and live life by his own will, to become the strongest swordsman on the continent?

“I will slay anyone standing in my way of revenge…
even if it is a god.”

Rein the Enchanter is a support mage with the ability to enhance weapons and armor. But when he gets fired from his guild for the simple reason that he's already enchanted everything they own, he decides to take the power back into his own hands—literally! Rein recalls every enchantment he ever put on his guildmates' gear, retrieving the bonus points for himself. But does he really not have anything better to enchant with them than some Plain Clothes and a Copper Sword…? Come along on a cheat-tier journey from the most common of common origins!

Having a light novel author father and an eroge illustrator mother, Kanou Shinichi is a thoroughbred otaku. However he does not have any special power except for his broad knowledge, sharp insight, and impeccable instinct about "moe" and its products, from manga to anime to games to light novel to figures. One day he found himself transported to a fantasy world where elves live and dragons fly. And he is given a task—not to fight monster or embark on a quest, but to enhance cultural exchange by becoming a "moe missionary" in this fantasy world! He meets a palace guard who has a bit of fujoshi taste, a half-elf maid, and the empress who is a little girl. He comes up with the idea of building a school. At first it runs as a comedy but later there are serious matters that Shinichi needs to face: ethnic discrimination, social problems, conflict with neighboring countries, sabotage by opposition elements including Japanese government and the likes. Can he overcome the obstacles, successfully bring "moe" culture to the fantasy world, and help the people there as well?

"Don't you feel ashamed in front of your mother, who spread her legs to give birth to you!?"

Several decades have passed since dungeons appeared all over the world. As dungeon streaming, broadcasting exploration footage, gained popularity, ojou-sama streamer Yamada Karin finds herself downcast over her rock-bottom status: zero viewers and only three subscribers. One day, Karin encounters a nuisance streamer trying to broadcast himself blowing up a dungeon wall. After thoroughly beating up this guy, who's secretly the strongest rising star, Karin goes viral as the delinquent ojou-sama...!?

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.

Aoba, the hero who has walked the path of the shade. In order to push through the unyielding "feelings", he will jump into the world of mixed martial arts "MMA"-!!

The game has emerged into reality, the rules of the world have been turned upside down and humanity has entered the era of becoming players with the world set as a game stage. The only way to become a player is by leveling up to become stronger! The only way to rise to the top of the world! On the day of world fusion Lin Moyue chose to take on the sole hidden class, Necromancer. From then on, Lin Moyue would not die until his summoned creatures died out. “I sit on the throne of bones as the God of the dead and walk between life and death.” “I am a walking catastrophe!”

“You good-for-nothing bastard. You are the son of a Sword Saint, yet you dare pull such a defective Class!?”

During the〈Divine Blessing Ceremony〉of the 15-year-old Elma who came from a lineage of Sword Saints, he had manifested a commonly deemed defective class known as the Heavy Knight. He had been deprived of his position as the next head of the Edvan Household and was then exiled. The Heavy Knight class had an unbalanced status and useless skills, to top it off, it was even said to be a class cowardly and indolent people have.
But, Elma knew better—that this world was the world of the game he had used to play before—and that the Heavy Knight class was the strongest class to exist. Elma made full use of the knowledge he had in his previous life and began his efficient walkthrough of the world he was reincarnated into.

One day, my wife disappeared. My young daughter suffers from a rare disease with no cure, and life offers no chance to breathe. Just when I was about to give up on everything— I suddenly found myself transported to another world with my daughter. And not just any world… but the dark, terrifying fantasy novel my wife wrote! I have to save my daughter, no matter what.

Wim Strauss is a "granting caster" - a support mage who can increase the strength of his allies through the power of his spells. It's a useful talent, but since it can't be used directly in battle, it gets zero respect from the other members of his party. As far as they're concerned, support magic is dead weight. It isn't long before they toss him out on his ear, leaving Wim to wonder if his career as an adventurer is over. Luckily for Wim, he has one big chance: His childhood friend Heidemarie is able to get him an audition with her elite A-rank party, Nachtlibelle. The two of them know his magic is good for more than just menial backup, but now he'll have to prove it. It's time to show the world that support mages can do more than just stand on the back lines!