In a world ruled by anthropomorphic animals. Humans live as slaves, and a group of terrorists dubbed the "World Destruction Committee" intends to destroy the world in rebellion.

A young man, Kyrie, who possesses the power to destroy the world, though he does not know why. Morte, a young woman with a tragic past and is the leader of a terrorist organization plotting to destroy the world. A demi-human named Naja, Morte's childhood friend Agan, a tough bear named Toppy, and a dragon girl named Lia. These beings will come together and journey to destroy the world!

A deadly virus is spreading across mankind, turning humans into gruesome monsters known as ‘Kanshu'. Yet no one knows of their existence, except for the organization called ‘F.L.A.G.', dedicated to hunting down and destroying the source of the infection. Its members possess extraordinary powers, capable of unleashing righteous fury on their enemies.
One day, a cell phone message from a dead relative leads estranged youth Riku Amami unwittingly into the conflict between F.L.A.G. and Kanshu - and to a mysterious cocoon that would change his life forever, for better or worse…

From Inane:

Like a broken stage effect
Standing in continuous snowfall
The girl told me...
This is the last winter
A quiet ending...
It is the World End...
So begins World End Fairytale, a series with great art, and even more so, Maki Hakoda's distinctive style in both story and presentation.

As a result of a large war, the world was eroded by a magical infection that distorted the time and space around it. Though magic has been outlawed since then, the effects of that war still remain. To uncover all the secrets of the world, "Lucky Solte," begins her adventure.

Story 1:
[Chapters 1-3] Lost After School
Story 2:
[Chapters 4-6] Rain Festival
Story 3:
[Chapter 7] Blue Imaginary Birds
Story 4:
[Chapters 8-9] Walking With a Friend
Story 5:
[Chapter 10]

An unknown disciple from a small sect battling against the strongest in the cultivation world! The long journey working at cultivation, the realization of destiny and the chance to reach the apex of the world.

Some are born great, some achieve greatness and some have greatness thrust upon them. Zuo Mo is a zombie faced low level cultivator in a minor sect of a little world. Ever since he was picked up by the sect leader two years ago, he has no memories of his earlier life except a recurring nightmare. Navigating the rigid class structure and intricacies of the cultivation world, as one of the lowest possible of the lowest class, Zuo Mo’s dream is to earn money, and lots of it through being a spiritual plant farmer. A chance occurrence reveals that someone powerful had changed Zuo Mo’s features and erased his mind. The money grubbing zombie decides to set out on a journey of cultivation to find out answers. Fate colludes with chance, the drums of war are beating, the ghost of his past is coming……

Based on the widely popular light novel World Of Immortals.I am using the light novel's description below...
The World of Immortals, it is the world every mortals long for. For many, it is an eternal glory to cause a spatial distortion and enter the World of Immortals. But the vicissitude of time is simply merciless, the legends regarding immortality had long been forgotten.

However, a miracle shall rise once more! An immortal was about to split the space with martial arts and cut all ties with the mortal world. The protagonist, Xiao Chen, was caught up in it and accidentally brought to the World of Immortals. What will they find in the vast world beyond the rift?

The Main character gets trapped in a world where it's ruled by laws and orders. Will he escape?!

The last thing she can remember is her life support beginning to fail. Her body had suffered terribly after a fateful accident and the only freedom left in her life came from the VR world of Leadale. Now she finds herself in a country very similar to Leadale and 200 years have passed.

Hot Blooded high school teen, a mysterious female swordsman, and an unpredictable dark emo girl. Its impossible to distinguish between reality and the game world ! What kind of conspiracy is awaiting them in super journey of the world! http://ac.qq.com/Comic/ComicInfo/id/522309

A man who was once called the world strongest agent ended up becoming a teacher after his retirement to train the new generation of agents. After many years of training his disciples, he is killed at the age of 60 by the ploy of a secret organization and was reincarnated in another world with all his past memories.

Though he was surprised by the magic and the strange species of that world, he adapted very fast to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his tight discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life.

This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.

A gate to another dimension has burst open, and from it emerge gigantic, invincible creatures that threaten all of humanity. Earth's only defense is a mysterious group of warriors who have co-opted the alien technology in order to fight back!

An expansion of the Strike Witches series, World Witches - Contrail of Witches details the short stories of various witches from areas of the European front of the Neuroi War.

In the year 2040, Japan has advanced technologically to the point of no longer needing people to work. However the cure for some diseases, such as multiple sclerosis, has not been discovered?people who have this disease have to stay cryogenized for 5 years to receive the cure. What was not expected when they woke up, was that they are the only hope for humanity to survive.

World's End Harem After World is the continuation of the story and not a sequel or different series to this, since it didn't end (as you can see with the volume release being 13 and not 1).

Ark is the next heir to the noble branch family, Nagara. Even so, he’s constantly mocked for being weak in battles, and the girl he loves, Aurelia, is to be married to the Crown Prince.

Unable to bear his weak self, he proposes to Aurelia that they run away together. But even as Ark attempts to change his fate, the cogs are already in motion for a demonic end of the world, and he may be the hero that can rise up...along with his harem of beautiful women!

“Use me as much as you want as if you’re doing it by yourself…” Mutou, a university student, just started to live alone for the first time. In his new place, he met his next door neighbor, Uematsu, a translator living in a really old house haunted by the past. In a time where flowers are in full bloom in spring, Mutou begin to feel happiness and attraction from spending time together with Uematsu on his porch.

However, Mutou came to hear that Uematsu had someone important that he can't forget...

Will Uematsu be able to open up to Mutou at the end?
A slow brewing sweet romance begins now!

A story about a girl who wished to be a delinquent, the world and a lizard.

Miharu is smart, attractive and talented. One could say he's been playing life in "easy mode". That is until a teddy bear steals his wallet and a strange man comes out of an arcade game and demands Miharu play a game; the D-game! What's worse, the man even claims to be from the future. What will happen when Miharu must play to survive?

[From Boku-Tach]i:

A compilation of five short stories by Ryu FUJISAKI written throughout his career. Ranging from fantasy to gothic horror, they explore the fantastic worlds contained within the mind of the mangaka of such series as Houshin Engi and Waq Waq.

This is volume 1 of FUJISAKI Ryu's Short Stories.

Volume 1: Worlds
Volume 2: Dramatic Irony

15 years remain till termination of service. The ending is known only to me.
'I am a veteran'.