Touya, the strongest player in the game Pandemic World Online, had won so many items that he decided to create an alternate account to store the extra ones. While playing this very game in his second account, he was summoned to another world as a character he made, where the people were merrily expecting a hero. However, when it is known that he doesn't have the title of a hero, he is discarded and replaced by another person. Now, he must survive in an another world with the account he merely used to store his extra items in.

Links:
Original Web Novel: https://ncode.syosetu.com/n9275ei/ (Japanese)

There's a new hero in town and he's got a bad attitude and a chainsaw dog demon! A dangerous combo.

Note: In 2021, the manga won the 66th Shogakukan Manga Award in the shounen category.

Frey Raon Starlight was the hero who killed his family and comrades and destroyed the world. His goal was to return to the past, unlock a "hidden route" to truly save the world, and achieve peace.

As planned, he successfully returns to the past and gains access to the hidden route. However, his relief is short-lived as he is confronted with an unexpected truth: the five heroines he killed in his previous life have retained their memories and are now trying to kill him...!

Can Frey, under such extreme circumstances, save the world this time?

The curtain rises on Pseudo-Singularity I.
The stage: Shinjuku. Fight alongside mysterious new Servants in a prison district cut off from the outside world.

Who says revenge is vain? It's so fun!

In a world where magic is extremely advanced and boasts a civilization that is no different from science fiction, he has reincarnated into the noble 'Rondel' family.

However, born as the child of a commoner concubine, his life is threatened by the first wife and half-brother. He acquired the role of 'Manuel Lucas', the great mage who changed the world. And a refreshing revenge story begins!

'From now on, I'm going to live the life I wanted'

On his way home from work, Aokai Seiji, a struggling actor in the JAV film industry, accidentally looks away and got hit by a magic mirror JAV Truck! He wakes up in a medieval-like world and gets caught up in the "filming" with beautiful elves?!

A young boy named Mikazuki Kenya was abandoned by his parents, bullied in high school, and left in solitude. At the brink of despair, he encounters a fateful meeting in his only hobby, VR gaming. A meeting with Kaguya and Reina, the heroines from the immensely popular game Knight of Giant. The time spent with the two heroines saved him, and he was head over heels for both of them.

However, in the story, one of them is destined to die. To change that fate, he dedicated his life to mastering the game and becoming the strongest in the world. Suddenly, Kenya finds himself entering the world of Knight of Giant?!

From MangaHelpers:
People have been created that are human-animal hybrids, and powerful businesses bet on the outcome of their duels. College student Nomoto Yuuya's casual acquaintances ask him to drive them around to pick up girls one day, which he soon finds out means by force. The girl they kidnap is an animal-human hybrid named Hitomi, who slaughters all of them except Yuuya. Hitomi is a honey badger, which has been called the most fearless of all animals. Now Hitomi is assigned to stay with Yuuya, for his protection.

From MangaHelpers:

History classes have never interested Saburo. He never saw the point of learning something that happened in the past, let alone a few hundred years ago. But when he falls off a wall, he travels through a wormhole and ends up in 16th century ancient Japan. He meets a very young Oda Nobunaga, one of the most influential figures in Japanese history, who turns out to be identical in appearance as Saburo. The real Nobunaga, sick of the castle life and wanting to travel, orders Saburo to take his place. Without knowing how to get back to his time, Saburo tries to make sure history isn’t rewritten for the infamous Oda Nobunaga. [vyc]

Won the 57th Shogakukan Manga Award for shounen.

He is the king of the demon world who has become unemployed because of impeachment. She was the brave hero who was laid off because of the failure of the expedition. The bond of destiny binds the two together as they embark on a journey full of unknown adventures.

About a guy who reluctantly transforms into a magical girl to fight monsters.

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.

The Kingdom of the Sun, Fuajarl was ruthlessly invaded by the Garden of Eden. They came seeking the King's Edel Raid, rumored to be one of the Seven Glittering Jewels (or Shichiko-hoju). Sensing their intent, the King hid his daughter with his Edel Raid and fought against the invasion but was defeated in battle that resulted in the desert kingdom being blanketed in a sheet of white snow. Escaping capture, the Crown Princess Achea Fuajarl XIV reacted with Jeen, the King's Edel Raid, and along with Puffe, the Kingdom's only mechanic, fled Fuajarl in an ancient tank. They are on a journey to restore the Kingdom and exact vengeance on the Garden of Eden. This story takes place two years after Erementar Gerad.

A world where God will grant abilities called Skills to those who come of age. The protagonist, bestowed with two skills, uses them and rises to an existence called a hero.

There is only one Magi Craft Meister in the world. After the death of the last Meister over one thousand years ago, Jin Nidou was transported to another world in order to succeed her will.After obtaining the knowledge of the Magi Craft Meister, Jin attempts to use a warp gate but it malfunctions, transporting him to an unknown place. Along with that, an automata he recently restored also uses the warp gate in order to search for her “father”. Thus, the crafting journey of the new Magi Craft Meister begins!

Decus and Alice official spin-off manga.

First among the ten martial emperors, Peerless Martial Emperor Gu Fei Yang met his demise in the Tiandang mountains. He was reincarnated fifteen years later, as Li Yun Xiao of the Tianshui Nation, and thus began a heaven-defying battlefront with the countless talents of the current generation. Martial arts of the nine heavens and ten divine realms. From then on, the whole world was set ablaze.

The Cosmic Era. Coordinators, born through genetic modification and Naturals, who are born naturally. Both experienced two great wars. People devoted themselves to fighting for things they believed in and things they should protect. Fighting gives birth to hatred and hatred in turn gives birth to sorrow. The battlefield swallows the fate of the soldiers and turned into the gravestone to an invisible future. Although a transient piece arrived in the end, the scars of war run deep. Yet in such a world, there were those who walked a path they strongly believed. Engineers giving their lives and roles to that which was discarded and destroyed: Junkers. Those who fight for those without power: Mercenaries. Those who convey the truth to the people: Journalists. Even if they deviate from the noble path, they will follow a path they believe in according to their own beliefs -Astray.

The story is about Mutsu Tsukumo, a young and normal looking youth who challenges great foes to prove that his style of fighting is the best in the world. His Ryuha, or fighting style is called Mutsu Enmei Ryu. A style that is said to have never lost in its 1000 year history. Tsukumo not yet a perfect fighter also increases his strength as the story progresses.

Won the 14th Kodansha Manga Award for shounen in 1990.

When a child is born, they are granted a [JOB] by the goddess of light. Unfortunately, Ain is granted the unfavourable job of an [Appraiser]. All he can do is appraise materials, and so he is treated horribly by his own party. Then, one day, he happens to come across an S-Ranked tree hidden in a dungeon. Following this encounter, Ain slowly but surely changes...

Links:
Web Novel: https://ncode.syosetu.com/n5242fx/ (Japanese)