10 Popular Kingdom Hearts Fanfiction Stories to Read in 2024

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If you are looking for the best Kingdom Hearts fanfiction, you are in the right place. 

Kingdom Hearts is a series of action-packed role-playing games incorporating many different Disney characters. 

This series was first released in 2002, and its latest release was in 2020. 

It is available on every gaming platform, and there are still more games in the series to come. 

This series follows a boy named Sora and his adventures through many different worlds. 

It is an exciting game that has captivated audiences for over 20 years. 

There is a whole world of Kingdom Hearts fanfiction just waiting to be explored, and this article will look at some of the most popular stories by number of hits on AO3. 

Keep reading to find out more. 

1. Keys to the Kingdom 

The first Kingdom Hearts fanfiction that we will look at is one of the most popular. 

It has nearly 60,000 hits and is over one million words long. 

The author of this story is still writing more content, and this story is written as an alternate to Kingdom Hearts 3.

Due to this story’s sheer size, we get glimpses of every one of our favorite characters, and we travel to countless interesting worlds. 

In this story, we see Sora becoming the chosen one. 

He experiences many trials and struggles on the way to his destination, which can get a bit dark sometimes. 

If you don’t want a very heavy story, this may not be the one to choose. 

However, alongside the darkness and trial is a lot of joy and happiness. 

The author does a great job of striking that balance, and they have written a story that is both heart wrenching and heartwarming at times.

This is not a story that you should miss. 

2. The Secret Biography of Donald Duck 

As you may have inferred from the title, this Kingdom Hearts fanfiction focuses on Donald Duck. 

Along with this, we also get to see many other characters who do not appear in Kingdom Hearts, such as Scrooge McDuck and Webby Vanderquack. 

This story takes place in an alternate universe where we see the true life of Donald Duck, who turns out to be the most extraordinary duck ever. 

Though many people know him as Scrooge McDuck’s nephew and nothing more, there is actually so much more to him than that. 

The author has taken many liberties with this story, but it is quite enjoyable to read. 

It is an interesting story that is a fantastic choice for fans of Donald Duck.

3. (I Don’t Need You to) Worry for Me

In this Kingdom Hearts fanfiction, we largely focus on Vanitas. 

This story opens with Vanitas disobeying his master’s orders. 

He heads out on an adventure to find the missing half of his heart. 

While on this journey, he also finds something else that he never thought he would find anywhere. 

This is an action-packed story that is a lot of fun to read. 

It features some common tropes such as found families and a few mature themes such as abuse and dysphoria. 

There are features from many different Kingdom Hearts characters, but fans of Vanitas will definitely want to check this story out. 

4. Tell Me That I’m Real

This Kingdom Hearts fanfiction is slightly different from some others, but it is just as intriguing. 

There are over 30,000 hits on this story, making it one of the more popular. 

In this story, the narrator has woken up in the body of their favorite video game character, who just so happens to be Riku from Kingdom Hearts. 

This story also features elements of time travel and a unique alternate universe. 

There is a large and diverse cast of characters who all add unique elements to the story, and it is easy to see yourself as one of these many characters. 

The author of this story is very well-versed in the lore of the Kingdom Hearts series, and it is very evident in this story. 

5. A Second Chance 

Next up is another very unique Kingdom Hearts fanfiction. 

In this story, the reader plays a role in the events and outcomes of the story. 

The author has placed us in the world of Kingdom Hearts, and we get to interact with the characters that we know and love. 

There are some romantic relationships, strong friendships, and powerful enemies throughout the story. 

Being placed into the world as the reader feels a lot like playing the game. 

We are suddenly part of the action, and our responses determine how the story will play out. 

It is an interesting take on fanfiction.

6. Big Brother Instinct

This Kingdom Hearts fanfiction takes place during Kingdom Hearts 3, but it is quite different from the story as we know it. 

This fanfic picks up right after rescuing Aqua. 

In this story, we focus on Lea, and we get some good insight into his childhood and upbringing. 

Lea tends to take in children as if he were an older brother to them. 

The problem, however, is that doing this might just get him killed. 

His heart is in the right place, but things are not always as they seem, and there are people who are out to get him for his kindness. 

This story gets a bit dark, but it is overall a really fluffy and lighthearted story that is a lot of fun to read. 

7. Beyond the Looking-Glass

This Kingdom Hearts fanfiction is a crossover with another popular video game, Twisted Wonderland. 

In this story, we get to see some of the characters from each of these stories interact with each other, and they certainly have some interesting interactions. 

This story focuses on an original character that the author created. 

She enters a world that seems quite similar to the one she knows, but there is something a bit different about it. 

This world is mysterious and wonderful, but it is also full of danger. 

She soon realizes that this is the villain’s world, and she will have to watch her step if she wants to stay alive. 

This is an exciting story that combines two very interesting and magical worlds. 

8. Chains Unbroken 

In this Kingdom Hearts fanfiction, Ventus is out looking for Vanitas. 

He is tired of the battle between light and dark, and he wants to go back to shades of grey. 

Ventus brings Vanitas into the fold of the heroes and gives him all of the care he needs and deserves. 

This story also features many other characters from the franchise such as Kairi, Riku, and Sora. 

This is a great tale of friendship and teamwork, and it is one of the more popular Kingdom Hearts fanfiction stories with over 20,000 hits. 

9. Cor Autem Aurora 

Next up is another Kingdom Hearts fanfiction that crosses over with another video game. 

This time, the crossover is with Final Fantasy XV. 

This story is another work in progress, so there are still plenty more chapters to come. 

In this fanfiction, Sora is asked for a favor by someone who is quite unfamiliar to him. 

This dream-eater is quite persuasive, and Sora can hardly say no. 

Of course, action and adventure unfold as Sora journeys on a quest unlike any other. 

There is some romance in this story, as well as plenty of magic, and some dark moments, as well. 

If you are a fan of the Final Fantasy franchise, this is definitely the story for you. 

10. Kingdom Hearts: Rise Above the X

The final Kingdom Hearts fanfiction that we will look at today is a lengthy story that is still being written. 

It features just about every character from the series, and there are plenty of unique situations to read about in this fanfic. 

This story opens just after the Second Keyblade War and largely focuses on Axel, Roma, and Xion. 

Axel is haunted by the people he could not save, and his friends also have their own problems to deal with. 

Their quiet life is not what they expected it to be, and they soon discover that they have some interesting new powers. 

It is really exciting to see how these powers play out and how Axel deals with the trauma of the war. 

Kingdom Hearts Fanfiction: Conclusion

I hope this article has helped you find some great Kingdom Hearts fanfiction!

These 10 are just a small sample of all the amazing stories out there.

So be sure to take a look and find your own favorite among them.

And if you have questions about this topic, feel free to leave a message in the comments below!

Lastly, if you want to read more top fanfiction posts on this blog, then check out:

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