Shim Cheongi threw herself into the sea of Indangsu! What will happen when she wakes up in a lazy dragon's dungeon? Meet many cute monsters while living a delicious, symbiotic life!

I was supposed to be dead, but when I woke up, I was a rat!
...or, more accurately, I became a virus and infested a rat!!
The more I infect, the more bodies and skills I get!
I'm going to cause a pandemic in this other world!

Web Novel (Japanese): https://ncode.syosetu.com/n9004es/

The Netherworld: A world inhabited only by Demons, creatures born from the dark abyss. For Salvos, a curious newborn Demon with a penchant for making friends, surviving this hellish landscape was always going to be a difficult task.

And when her companion's life is threatened by a mysterious Demon King, she'll have to adapt, gain experience, and evolve to do what it takes to save him. Even if it means separating from him and being tossed into an unfamiliar world with Humans, monsters, and a bright blue sky where she is scorned for being born a Demon.

After all, the law of evolution is survival of the fittest, and Salvos will survive.

In this world, there are Strays - people who arrived from another world's Japan. These Strays were responsible for a great disaster in the past so upon being spotted, they are meant to be killed by Executioners.

Menou, an Executioner, meets a Stray named Akari, who she kills without hesitation. Yet, Akari comes back to life. Searching for a way to kill her, this journey of Akari and Menou begins.

Mukouda Tsuyoshi was summoned from modern Japan to a different world of sword and magic. He thought of what kind of a huge adventure was waiting for him, but actually, Mukouda is just a civilian who got caught in a "Hero Summoning" by accident!! And that Mukouda's base status is very shabby compared to the legitimate heroes...
The only thing that he could rely on in this world is his unique skill "Net Supermarket," which enables him to order goods from modern Japan, and prepare them for various personas attracted by a different world's food...

This is a story of a 29-years-old bachelor who was brought to a different world to live freely. Caught by an “unwanted” wife from day one, his life is not going so smoothly when the entire country focuses its attention on him in ten days. Without losing to such an obstacle (?), he will continue to live on.

Sho and his friend, Tetsuro, stumble upon a strange orb-like mechanism, the Guyver Unit, in the woods. It physically bonds with Sho and turns him into the alien soldier, Guyver. His mission is to protect the Guyver Unit from the Japanese corporation known as Chronos. They are after it and two other units just like it. To retrieve the object, they send out vicious monsters known as Zoanoids. So no one is safe in Sho's life; not even himself.

After saving the world, the strongest hero who has no place to go anywhere · Leo. Power that is too strong can not enter the peaceful world …… Such a place of employment where he arrived – the former enemy, the Magus army! The 2nd Kakuyomukon.

The story is set in a Japan that is ravaged by plague-like rust, and details the journey of the strongest mushroom hunter Bisco Akaboshi and young doctor Milo Nekoyanagi and their search for the legendary medicinal mushroom “Sabikui”, believed to be the cure for the rust.

Henry Morris was an 8-circled wizard who was a legend- one of the founding fathers who helped his friend become the king of a unified empire. After the son took over the throne, Henry was executed with the false accusation of leading a rebellion against the empire. He then wakes up in the body of young Henry Morris, the eldest of a baron family, who also happened to have the same name. Henry turns his life around by again relearning magic and also swordsmanship in order to become the first magic swordsman, all for the sake of revenge.

One day a young warrior girl meets a dwarf who dedicates himself to constructing houses for monsters. A tale of building houses for myriads of creatures begins! After all, everyone needs a home.

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.

The island of Eldias, where one wish is said to come true after conquering seven dungeons. On that island, where adventurers gather and compete with each other, there is a boy who is a level 1 baggage handler. The experience he needs to level up is ...... about 100 million!? Despite the tremendous numbers, which make everyone feel sorry for him, the boy uses his "never die" ultimate skill in surprising ways to pave the way to the strongest!

Kang Hyunmoo is a dirt-poor man whose dreams of becoming a hunter were torn apart.
But one day, while he was dreaming of getting rich quick, something appeared in front of him…

[Difficulty: Hell. You are entering the Star of Apocalypse.]
“…What?”

He’ll now be monopolizing items and skills in a future Earth overrun with monsters!

“It’s safe because it’s a desk job, super stable because it’s public work!” But what awaits Alina, who has become a guild receptionist, is a far from what she had in mind. And it’s all because of the adventurers inability to conquer dungeons! Having reached her limit, Alina sets out to defeat the boss herself, hammer in hand…

Become a cat and enter another world. An adventure that's not just cute begins!

A boy reincarnated in a different world aspires to be an adventurer, but his body is that of the weakest race of cat people, and the magic he wields is an empty attribute that is ridiculed as "empty".

However, the boy ignores the big handicap and uses his ingenuity to create weapons and armor from sky magic, transforming it into magic that allows him to walk in the sky.

When he grows up supported by the kindness of those around him, and when he realizes the true value of the sky attribute, his journey as the strongest catman adventurer begins!

In the 17th century, the Holy Roman Empire was ravaged by the Thirty Years' War. In the middle of this chaos appeared a japanese mercenary named Isaak. His fierce battle begins.

“There’s still more to do, that’s why I need more time”.
With a strong determination, the old man picked up his Rejuvenation potion. The secret of this particular potion is that it rejuvenates the body while preserving the person’s memory. Essentially the fountain of youth. The old man took it anyways and it took a while for the potion to take effect.
--500 years passed…
The man, or young boy at this moment, awoke and found himself in the same world yet different. Nations disappeared, Regression of Civilization, decline in human skills and even basic alchemy has been lost!
Lost Knowledge, Lost Technology! Nothing impossible in the mastery of alchemy!

In this world, Makai, every Demon gets a Familiar summoned using their magic. Patty, a Demon Girl who's magic is so weak she can't even summon an animal is forced to get a famliar. So, reluctantly, she chooses an older human named Norman as her familiar. Norman has an incredible fascination with examining all types of lifeforms around Makai, claiming he loves learning about them. This weird combination of a weak demon girl and a goofy old man leads to a journey of adventures the two go through.

The brave tale of the peerless Great Emperor Leonard the First was evaluated as a universal truth.
However, in his younger days, before he managed to unify the continent, he was a boorish and clumsy young man, he got his homeland taken away from him and was branded with the infamous name of “Nosferatu”. This is the story of a great counterattack, a great revolt.

Leonard vowed to recover his homeland and truly became a mighty warrior. Several great generals, sages, talented women and geniuses comparable to gods and demons got attracted to the single-minded Leonard and congregated around him. Eventually, they became a great force able to engulf their depraved fatherland and contended against rival countries.