A certain girl genius with more power than knowledge accidentally summoned dozens of students and teachers into a dangerous world filled with beasts and magic, but the protagonist isn't a student or the homeroom teacher... it's the janitor.

At the time of their summoning, the students and teachers each gained a power formed from their soul, but not the janitor. As the janitor was about to be bestowed with a power that would protect him, his power was forcibly taken from him by an arrogant student. Having gone three years without a contract extension, he failed to get a job after having graduated from a third-rate university. Somehow he is still a contractor at 25 years old and was a janitor for 2 years, with a take-home monthly salary of less than ¥120,000. From a society that rejected him, he was thrust into a world that rejected him. And what janitor-san wished from the Goddess who took pity on him was...

If you're reincarnated in another world, you will be naked and alone in the forest. The only things you can rely on without magic or cheats is your wits and fists!

Author's Twitter: @yazin_uhouho: https://twitter.com/yazin_uhouho
Web Novel Raw: https://ncode.syosetu.com/n5771ei/
Alternate Raw: NicoNico: http://seiga.nicovideo.jp/comic/41841

The manga will cover the story from the Goblin Slayer novel's 12th volume, and will focus on the adventurers' development as they live their everyday life.

"It isn't the strongest who survives. The one who survives is the strongest."

After being discharged from the military, Jin Seowoon did nothing but play games like a loser. One day, he was invited to the world of "Cloyd Survival," which resembled a game he enjoyed.

In that world were masters of martial arts, kings from other worlds, and notorious killers...

It was a gathering of monsters that surpassed human imagination.

Jin Seowoon had just one objective — to survive and become one of the top ten.

Yeon-woo had a twin brother who disappeared five years ago. One day, a pocket watch left by his brother returned to his possession. Inside, he found a hidden diary in which was recorded “By the time you hear this, I guess I will be already dead….”

Alicia is an orphan living in Ciel, a world of swords and magic. One day, she discovers that she is "the heroine of an otome game." Even the death of her parents was simply part of the story.

Alicia decisively rejects the heroine's role as "nonsense." Taking the name "Aria" as an adventurer, she gradually grows into the "Ash-crowned Princess of Slaughter" who wields multiple weapons and magic!

But, when she receives a request to escort a "villainess," without realizing it she finds herself caught up in the stage of the game where nobles struggle against each other...?

"I am 'me.' I'm not a character in a game!"

Kai who was reincarnated into a different world, thrown away by the corrupt church into an isolated Island full of dangerous demons. The key to surviving on the island is the Kai's Cheat ability to summon a different world's item that Kai only used in. With this ability, Kai built a “Pioneering Village”. Kai's survival & the fate of national life!

It is a different world ability that only you can enter, cute girls and survival life!

One day, an ordinary high school student is transferred to another world. He raises his level in the other world, successfully defeats the Demon King, and saves the world! With his strongest status, he decided to return to his own world; however, in the world to which he returns, a new "dungeon" has appeared.

Anastasia, an elf renowned as a once-in-a-millennium magical talent, faces the final battle of a three-way war in another world. In the midst of battle with her arch enemies, the demon race, Anastasia is enveloped in an intense light and, when she awakens, finds herself on an uninhabited island. As Anastasia strolls around the island, a mysterious human appears before her, but she can no longer use magic...!?

A mysterious monster called the High Beast, has taken control of the regions of Eurasia and Africa. Japan has cut off from the mainland to protect itself from this threat. The daughter of a legendary mahjong player discovers that monsters attack whenever a mahjong piece is hit across the board. This allows humans to be separated from the battle and for mahjong players to effectively combat the monsters with robots controlled through mahjong moves.

Story centers on a boy named Tokio, who lives alongside other children inside a beautiful wall. One day, Tokio receives a message that says "Do you want to go outside of the outside?" In a heaven that has begun to tear itself apart, a group of boys and girls begin their adventure.

He’s in the deepest part of the Jianghu. Keep your eyes wide open if you do not wish to get dragged into the abyss.

One day, a dull young man from Japan gets caught up in a heroic summoning and goes to another world. The next time he wakes up, he's not in a castle with a king, but in a deep forest since the summoning failed! You'd think he'd be at a loss, but he starts living a life of survival with a positive attitude that doesn't involve deep thought!
Then, before he knows it, he saves the cursed forest and magical beasts one after another with his magical powers, and is befriended by wolves and dogs in a healing paradise! However, he doesn't realize that they are actually legendary demonic beasts and spirits at all. What's more, that they are adored! A positive young man unknowingly plays with the legendary magical beasts, a heartwarming and misunderstood fantasy begins!

Hakurai Private Academy, a boarding school where young ladies receive a higher education in bridehood.

Should the maidens lose their “purity” during the three year course, they are immediately expelled, losing any chance at their dreams of becoming brides. For the girls living at this school, it is a future they consider worse than death.

One day, something happens in the dormitory of the student council! In their midst is a two-faced wolf aiming for their purity - and it is up to them to pull back the mask!

I'll take back my life. A cruel and beautiful revenge story of a princess who became a prostitute. Princess Evita lived happily in a small country. However, she was attacked by a neighboring country, her land taken away, and her family was brutally killed. The surviving Evita was sold to a brothel and lived as a prostitute. In the middle off all this, a man from the royal family that she hates appears as a customer...

On his way home from his office, the main protagonist drove and ran over a big dog. At that moment, he heard the sudden sound of a voice inside his head. ≪ The monster has been subjugated, gaining experience points. ≫ 「Eh?」 Before anyone knew, the world has changed. Monsters appear, this is a game-like world where levels, skills, and status exist. This is an adventure where the modern world becomes fantasy and where the main protagonist has to strive hard for his survival.

The manga tells a fictional version of the story of historical Tang China diplomat Wang Xuance, centering on his diplomatic journey from Tang Dynasty China to the Empire of Harsha in India in the 7th century CE. When he comes upon a crumbling empire that is now hostile to him he escapes to Tibet and raises a confederation of Tang, Nepalese, and Tibetan soldiers to mount a raid on the Empire of Harsha.

High school student Boji Nichiro is isolated from the rest of the world due to fierce bullying. One day, however, the world is transformed by the "dungeonisation" phenomenon! In the midst of the chaos, Nichiro awakens the unique skill "Shop". It was an out-of-the-box skill that allowed him to buy everything from food and daily necessities to unrealistic items! The start of a painful and "wacky" modern fantasy from "Shosetsu-kaerou"!

I’m Shinomiya Hokage, a 3rd-year high-school boy who dreams of a survival life. One day, everyone in my school transferred to a mysterious island in a parallel world. I woke up in an unknown cave and I started moving on my own. Then, I met up with some of my classmates. My knowledge and tools in survival shines through. I was a plain guy in school but I’m the leader in this world.

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.