In the present era, adventurers, demons, heroes, and demon lord, are no longer occupations that put one's life at stake. With the world at peace, it is an era where conquering dungeons has been transformed into entertainment. Adventurers and monsters are able to fight with a substitute body made of magic, popularizing dungeon conquests with no deaths. Having lost his job, the “Black Mage” Remme struggled with finding another party until one day a beautiful woman appears before him with a job.

With no other options, Luck makes the choice to hold the line against the unending demonic hordes alone, to make sure his comrades can escape with their lives. However, through a combination of fortune, skill, and ingenuity, he holds that line for ten straight years, eventually coming out on top singlehandedly. Now he has to tackle the dilemma of how to occupy himself in a world where he holds a myriad of roles: that of a legend, that of a veteran, and that of a brand new face.

Suzumiya Kaede has little to look forward to in life aside from online gaming, and even that's slipping away from him. After a three-day-long MMO bender, he passes out and finds himself waking up in an entirely foreign fantasy world full of monsters and magic. Starting out with access to unthinkably powerful skills, he resolves to make the most of the situation and pioneer a hitherto unheard of niche: a spellsword.

The Sage Dwight along with the Hero defeated the Demon Lord who plunged the world into darkness. However, they were falsely accused of becoming the next Demon Lords because of their power, and were thrown to the Death Valley to die… Although his flesh had rotten away, he lived on as a skeleton because of his grudge against the world. Dwight has vowed to turn against that broken world, and with a power that surpasses even the former Demon King, and also leading countless Skeletons he's going to start an all out war…!

A young girl—Chloe La Forêt—is alone and unconscious in the Corpse Forest. Well, it's too bad. At least the monsters will finish her off within a few days. Except this girl gets rescued in the nick of time. And the man who finds her? He's her new boss, Alchemist Kurakazu Rintarou. Chloe has a knack for cleaning and thus becomes his housekeeper. But she quickly reveals another hidden talent of hers—necromancy! Watch as this story of science and fiction unfold under one roof.

A plague-like wind blows across the arid, sandy expanse of a post-apocalyptic Japan. As it sweeps over the living and nonliving alike, rust is all that remains. The cause of this catastrophic state? Mushroom spores. At least, that's what everyone thinks. Enter Akaboshi Bisco. He's known as the "Man-Eating Mushroom," and is a wanted archer whose deadly aim instantly sprouts mushrooms wherever they land. However, in truth, he's a "Mushroom Keeper," committed to spreading fungi to enrich the land and return it to its former state.

Terror and darkness have blanketed the world all because the Earth has become a hunting ground for zombies and mutants. But luckily, for Zhao Tianlei, he's accidentally obtained a mysterious super system that grants incredible powers to those who use it. Now, Zhao's no saint. But after witnessing the death of his classmates and watching tragedy unfold, he can't just stand by and do nothing. Will he find the strength to lead mankind in a fight against the undead on a global scale and restore human civilization?