¿Una nueva guerra por el Santo Grial? o ¿Una Singularidad?

Badd, AKA Metal Bat, and his little sister Zenko go on a camping trip on a mountain in city Z's outskirts. Little do they know, the mountain happens to have a quite the suprise in store for them. Rated T because of occasional language. Revised as of 3/16/20

Hello! My Name is Supremenoob00000 and I will be doing a revamp of OPJ! This story has numerous grammar corrections, which I have fixed to the best of my ability. Basically, the story is about Saitama becoming a marine and destr- oops, I've said too much :) All rights go to their respectful owners. Enjoy!

Saitama junto con un grupo de héroes, quedan atrapados en un mundo donde también existen los héroes, pero no los monstruos ¿Encontraran la manera de volver o se quedaran para darles lecciones a unos estudiantes de una prestigiosa academia?

After Ben 10 Omniverse, Ben and Rook goes to the new universe that was created and end up in the one punch man world. The two soon became one of the new heroes in S-Class within the Hero Association. So, with the help of Saitama and Genos they must protected this world. Will they ever get back home soon or will the two heroes soon face their match, its hero time, This a ben 10 AU.

It's said that without a strong Quirk, you couldn't be a great hero. That the exceptional were chosen, not made. That you couldn't deny destiny. Honestly, Saitama had no idea who came up with such rubbish, and he didn't care. Join him as he redefines what "overpowered" means, and becomes a pro hero along the way. [Combined universe with elements of MHA and OPM]

King, Flashy Flash, and Amai Mask are brought into a secret facility and are each assigned their own special mission to undertake… in another world! A place where the civilans often resemble mysterious beings, and chaos runs rampant, how will these three heroes fair in such an alien world?

A certain Demon Cyborg while doing his daily chores in his Sensei's apartment ended up cleaning "trash" outside. While encountering a rather bigger "Trash" The Cyborg effortlessly dispose of it, but what came after is entirely beyond what the Cyborg could understand. [[ Will contain Genos in his current form with the dragonic arms and probably a certain Hunter ;) ]]

He was carefree and loved laid-back life, but when it came to martial arts and hero job, he was pretty serious. Thrown to another world of sword and magic without finding a way back, he decided to enjoy his new life seriously. Settling down and building a family? Well, that's a good option.

Saitama just killed Elder Centipede with a Serious Punch when suddenly, his setting changes to an unidentified, unknown place where the concept of space and time is non-existent, and comes face to face with an entity that looks like a physical manifestation of a Kaleidoscopic Universe with Stars adorning its celestial body.

Ever since Saitama has trained to become the strongest hero, he gets no excitement from fighting monsters. This leaves him really bored. Then one day, he meets someone that is not only a dragon, but is also now his maid. Will this event change has life to the point of having emotions again? Or will his life still be boring as hell?

After Bang was brought to another world, he finds himself given the chance to redeem himself, after the rampage his cause back at his world. As time passed, Bang ends up becoming a hero and he wishes that his brother Bomb could see him now, the only problem he has is that will he ever find his way back home or will he end up staying as everyone's hero ?

Chaos everywhere, while the Hero named Invincible crawls away from the area where his father brutally beat him, as he was crawling away, he then thinks of the mysterious stranger who appeared and began fighting with his father, Invincible could tell that within a short amount of time, something really bad is going to happen, when this fight is over.

Monsters began appearing everywhere and deities too, they battled with one another, causing chaos to the places where they fought, until suddenly one Monster intervened in there fight and a new nightmare has been made after it defeated the Monsters and the Deities, will this Monster go back to its world or will this Monster stay due to some other reason we don't know.

The Monsters and Heroes find themselves in a world similar to there's but with a slight difference, instead of Heroes Association this world has an association that calls itself the Hunters Association, meanwhile Garou tries to continue his goal in this world.

Today just wasn't Saitama's day. While vacationing in Tokyo, he happens to bump into a man with striking red hair and a scary face. One thing leads to another, and...

After ending up in a different world similar to his, Garou encounters strong warriors which helped him practice his techniques and get stronger, he then later finds the the similarities of this world with his, the only difference is that the monsters and heroes of this world are called by different names, so Garou then decided to continue his goal in this world before he goes back.

The gods taught that it will just be another normal day, until one day, a monster suddenly began ruining everything they built and the gods were not that powerful to stop him, for this is no ordinary monster, they could tell that his not off there creation since he wasn't born in the worlds they made, while for Garou, he continues to achieve his goal in whatever world his in.

Garou was accidentally summoned into this world, in this world he finds a young man named Subaru and Garou sees that his been cursed, so Garou helps him and in there journey, Garou frees Subaru from Satella's curse and at the same he tries to achieve his goal in this world.

Garou finds himself in a world different than his, due to the monsters not being in the physical realm but in the spiritual realm only, the more longer he stays in his world, he learns about the reapers and he sees there similarities with the heroes back in his world, Garou's journey to conducting evil has already begun.

After his fight with Fubuki, he was suddenly brought into another world along with the espers, in this world, Garou finds it to be similar to his and after learning about this world, he sees that the people have never encountered a monster yet, with his new strength, he'll be able to show people how fear really is like.

Ainz Ooal Gown was busy finding another player, he finally got his wish, but its not what he expects and this person then teaches him the good and evil of things and he guides Ainz and makes him no what it means to be strong, this person helps Ainz not as a human but as a monster, whose existence doesn't belong to anyone.

Rimuru was once a mortal man who reincarnated as a slime in a new world, but even someone like him still have a cold side hiding inside the pretty mask he wears and by the arrival of Garou in his world, the good and evil of Rimuru will be tested, for Garou is a man who is the opposite of Rimuru, for he hides his kindness by putting a mask of terror.

After ending up in another world, Garou finds himself in a middle of a battle of who's will is strong, but instead of helping both sides, Garou decided to accomplish his goals here, due to it reminding him of the battle of the heroes and monster's. But one question remains, will he ever find a way home or will he achieve his goal in this world ?

In a world where the strongest assassin named Koro Sensei was busy always filling his attacks with killing intent, he meets a being named Garou who had no killing intent in his attacks and yet defeated Koro Sensei. While he was busy teaching his students, Koro Sensei also learns from Garou what it really means to be strong.