After defeating the Subspace Army, Sonic and his friends took it easy for the next three weeks. However, what they need to worry about is dealing with the merge of both the former Phantom Task and Laughing Coffin, now known as Phantom Coffin, who are all out to get Sonic, Kirito, and Ichika. Can the three of them overcome Phantom Coffin's wrath and protect their loved ones?

After defeating Heathcliff, Sonic and his friends were suddenly still stuck SAO. A massive error causes their skills to return to their original stats and prevents them from teleporting to any floor lower than 76. They must continue upward to Floor 100 to clear the game, while exploring a new place called the Hollow Area with some orange player. Spoilers for SAO Hollow Fragment.

Worlds collide in The Divine Guardian, an epic story following a renowned private investigator with a secretive past who's fate is more than he bargained for. Follow him from the beginning of the SAO incident and beyond in this massive epic. In the Prologue,we see the very beginning of Mark's journey.

Kirito and Sonic both wake up in a strange world that acts the same as the real world. Once they arrive, they meet a new person who doesn't act like an NPC and acts like a normal person. Join Kirito and Sonic as they explore this new strange world with new and old friends/new enemies to face. Will they return to their world or stay in this world forever?

The ultimate story in the crossover between Sonic Mania and Sword Art Online comes to an end. With help from Leafa, Sinon, Team RWBY, Team JNPR, the Chaotix, and friends from ALO, the heroes fight the American players. Will they save the Underworld? Will they save Alice? Will Kirito wake up? And will Sonic and his friends make it home to save South Island from Dr. Robotnik?

After A Failed Attempt To Kill Him First, Gabriel And The Returning Laughing Coffin Member PoH have both return into the Underworld And Are Stronger Then Ever. Now, The Fate Of The Underworld Rest On 2 Swordsman That Will Do Anything To Protect Their Friends And Humanity Inside The Underworld. Will These Two Save The Underworld Or Die With it?

Let's see what the characters do after the events of Sword Art Online two years ago as they all return back to society.

Join Kureha and a newbie as they set a goal to be the best player in GGO of all time. But soon after, The newbie get's a very rare item. A NPC that follow's the owners orders. But soon after, Three players soon appear and were about to attack the newbie. Now, join Kureha, The Newbie, Sonic, Kirito and more as they there journey around GGO.

After the defeat of Administrator, Kirito, Sonic, Mighty, and Ray end up in comas. It is up to Tails, Knuckles, Eugeo, and Alice to fight off the forces of darkness and protect Rulid Village. Meanwhile, when Asuna arrives in the Underworld, she attempts to track Kirito down. What will become of the heroes as they fight against darkness?

The ultimate fight begins between Team Sonic and the Pontifex, Administrator at the top of the central cathedral in the Underworld. Who will be victorious in this epic battle, and will Alice get her memories back?

The story continues in the Underworld as Sonic, Mighty, Ray, Kirito, and Eugeo make it to the Central Cathedral to stop Administrator, free all the Integrity Knights, and collect the remaining 4 Chaos Emeralds and stop the forces of darkness from destroying the realm of humanity. What will become of these heroes as they go up the tower? Spoilers for SAO Season 3

A new company known as Rath invents a new full-dive machine called the Soul Translator. Sonic, Mighty, Ray, and Kirito get trapped inside the virtual world of the STL. Meanwhile, Asuna, Tails, and Knuckles, with the help of Team RWBY try to look for them so they can bring them back and save South Island from Robotnik's forces. Spoilers for SAO season 3.

Spoilers for the SAO movie. A new Augmented Reality device known as the Augma gets released, and Sonic, Kirito, and their friends use it to fight in battles in the new AR game, Ordinal Scale. Then, the nightmare from the death game comes to reality as people lose their memories of SAO. Will Sonic and Kirito bring everyone's memories back?

Sonic and Asuna challenge a player named Yuuki to a duel, and then she takes them to a place to ask them a favor. Asuna gets worried about Yuuki when she suddenly logs out. While that's happening, she gets into a fight with her mother and worries about Kirito after that. How will things work out with Asuna, her mother, and Yuuki? Warning: Spoilers for SAO 2.

Sonic, Kirito, and everyone go on a quest in Jotunheimr in ALO to get the Holy Sword Excalibur to finish the year off. Will they retrieve the legendary sword and save the land of hill giants, and the surface world? Find out in this epic battle to save ALO. Warning: Spoilers for SAO season 2.

Joined Sonic, LLENN, M, and more as they compete in Squad Jams. There mission is win Squad Jam along with others in this tournament. Will they win or be eliminated?

Almost a year has passed since SAO was cleared, Sonic, Tails, Knuckles, and Kirito log into the world of Gun Gale Online to investigate an incident involving Death Gun. They all enter the Buller of Bullets along with a new friend named Sinon to investigate. Will they capture Death Gun and bring him in, or will he continue to wreak havoc in the virtual world? Spoilers for SAO 2.

The sequel to Sonic Into the Virtual Realm. After the death game was cleared, 300 SAO players, including Asuna still haven't woken up. It is known that the incident hasn't ended. When Sonic, Tails, and Kirito get a picture of Asuna from Agil, they travel into the world of Alfheim Online with a new friend, Leafa, to go to the world tree, and rescue Asuna. Warning: Spoilers for SAO 1

In the classic Sonic world, a few weeks after Sonic Mania Plus, Tails lets Sonic try out the Nervegear and falls into the world of Sword Art Online. When the truth of the game gets announced, he has a motivation to clear it. Sonic must clear every floor with new friends to clear the game and save all of the players. Warning: Contains spoilers for the SAO anime series.

Join three series as all of them help one of them get back to their world inside the virtual world and save Yui. What will happen to all of them? Read to find out.

Join Kirito, Sonic, and friends as they set their adventure inside ALFheim with new friends and new enemies waiting for them. How will their adventure turn out? Read to find out.

When Kirito and Sonic logged in, They meet a player that was running away from something. Join Sonic and Kirito to there adventure around the world of SAO with old and new friends. (Yes, bed sences will also be in this story.)

There are many worlds in the multiverse. one contains the many adventures of Sonic the hedgehog. the other contains the adventures Kirrito. but what would happen if those two people were one and the same? this is their story

Join Kirito, Sonic and friends on their adventure inside a new virtual game. On there adventure, they will encounter enemies, bosses, new friends, etc. How will there adventure go as they advance. Read to find out

4 Years have passed since the SAO incident. Now, Sonic and Kirito are back together as they are in a new virtual world called Augma. But things turn as Sonic join's someone else that is dangerous to the other players. Now it's up to Kirito and Friends as they try to stop Eiji from Sonic. Will they get Sonic back or will he be with Niji for the rest of his life? Read to find out.