On that day every man woman and child on Earth...instantly turned to stone. Y/n happened to be one of most popular people in his school due to him being incredible with medical skills and being a primary math teacher even though he's a student. The most popular part is how tough he is on any bullies when it comes to outwitting or brawn. He also had an equal mind of science to his best friend and president of the science club, Senku. Everything was turning out great, until one single green light changed everything.

It all started when a young 10-year-old, (Y/N) Oosuki, was a little brother to Masato Oosuki. Their mother, Mamako Oosuki, the three family members had been living together now for years. One day, a video game online MMORPG arrived that Masato had wanted, but Mamako and (Y/N) were going with him on his adventure, what's going on in the story, you ask? Well, let's find out...!

(Y/N) have lost his family by the Noice the only family that he have left was his sister Snow. But sadly she died, before she die. She left something for (Y/N). She left him a gift and that gift has the power to fight against the Noise and including the Relics user. [Harem]

An empty room, nothing but darkness from all directions. In the middle of the room, standing on a wooden podium, shows an open book as someone reads its contexts. ???-Kamen Riders... Heroes who fought against threats towards humanity. They become Beacons of Hope for those who can't fight and for those who are in need of a savior. However, there are worlds out there who don't have a Hero known as Kamen Rider. A world where a new threat towards Humanity has appeared in a world, similar to ours, this threat is known as Noise. Beings who cannot be harmed by normal means. All Humanity can do is run and hide from this unkillable threat. But Fear not! As witnessing such events and seeing what these monsters can do! Hearing the pleads of all, a new hero has been born! Iwae! The one who shall inherit the powers of all Riders! For the new King of Time and King of all Riders has been born! Senki Zesshou Symphogear and Kamen Rider are all owned by their respective owners. Any images and characters used in this story are not owned by me except for the Characters I've created. Please support the official series of the two.

Y/N was only a small child when he lost his father. F/N was a loving parent who worked for playtime co as a scientist. On a day like any other he kissed his wife and son and bade farewell promising to come home.......only to never return. Now 21 years old Y/N has made it his mission to find out what happened to his father all those years ago and to do that he finds the very place that his father had worked for all those years ago. Completely unaware of the horrors that await him.

Kai Kayaba, throughout his whole life, was what people could be considered a weakling. Someone who could never be someone special. He was physically weak but was very smart in terms of academics and logic. He searches for ways to become even stronger. One day, when he was leaving school, along with other kids around his age, a mysterious, blue-like portal appears and they were all transported somewhere else, where Hell awaits them. As Kai is struggling to survive in that place, in his dying moments, he wishes he wasn't so weak. He wishes to be in a world where all of his worries are banished, one where he could truly fit in and find meaning in his life. As the darkness took hold of him, he felt himself slimming away. However, right before he did, he heard a word. One which forever changed his point of view. "Arise" This fan fic will combine elements from both Solo Leveling and Eminence of Shadow. Disclaimer: The Eminence in Shadow and Solo Leveling belong to their respective authors. I do not claim ownership of the characters or even story in which the world takes place. This, is purely a work of fiction for entertainment.

Sora Yatagami was a young boy who lost everything. His parents were framed by a mistake they never commit. After that none of his friends and other family wants to take him in. And thanks to that Sora lose trust in people and the idea of being in a family. At the age of 14 Sora was trapped inside SAO now how would Sora life turn out to be?

Demons. No one knows how long they have been on Earth, nor how they came to be. But for the centuries they have been around, they have consumed humans with no remorse or regret to satisfy their bloodlust. The Demon Slayer Corps was created to ensure that humanity had some sort of protection from these creatures. They are a secret organisation that is not recognised by the Government. Tanjiro Kamado made it has goal to become a Demon Slayer after his family was slaughtered and his sister was turned into a demon. But he wouldn't be alone on his journey. He would always have his best friend by his side.... NOTE: If you've watched Demon Slayer, then you'll know that it is very violent and involves a lot of blood and people being dismembered, cut to pieces, you get the picture. Also, I do highly recommend that you watch Demon Slayer before reading this story as there will be spoilers. Also also, I am aware that certain girls in the harem are with certain characters from the series. This is my story and it will be adapted to work around having a reader character. Also also also, this will follow the storyline of Demon Slayer, but there will be some filler added in. This is technically a retelling of the story, so some things will be changed. For example, some characters might not die and the overall ending might be a bit happier. There will be angst and a lot of it because I don't want to fully mess around with the story, but there will be plenty of fluff too.

When a High Schooler manages to teach you more about science than any educational facility or teacher. Genuine Warning: Please do not recreate anything that is done here. Created: August 14 ,2023

This is the story of Y/N. Izukus's best friend and almost brother, and Bakugo's weird rival. See his journey as he tries to become the best hero possible, and find out what dream he wants to achieve.