Following Marco's return to the Butterfly Kingdom, Mewni is also visited by a legendary knight. Upon meeting Marco, he says that the boy has the potential to become the one who leads kingdom's vanguard. Does Marco have what it takes to live up to such a grand ambition? Star vs. AU.

What would happen if Marco remembers all his adventure in the last 15 years and his last 15 years in Echo Creek. Well, You get a Marco who is never afraid of trouble and protects others from trouble. Marco/Harem.

Chantal, or Chantelle, just wants to live a normal life, free of magic influence. But she's not going to get that. There's no telling what sort of nonsense is going to happen next! UPDATED Every Monday, Wednesday, and Friday, minus the third week of each month.

Marco Diaz, Squire to the princess Star Butterfly had been doing combat training all by himself at his free time. This time however, his friend arrives and things are about to get intense

Luego de los sucesos con la madre de Star desaparecida, el descubrimiento de las marcas de media luna de Marco, la derrota de Meteora,el beso en la caja de fotografías, Marco, River y Star se embarcaran en una búsqueda de la princesa Moon al reino Rick Pigeon donde ella probablemente se oculte

After the cleaving of two worlds, what is the fate of what remains? Who is Seth The Septarisis, is magic gone, what if there was a season 5, did Marco have a connection with magic?... Post-Cleaved fanfiction -Warning- Violence, Language, Death, Ect.

Blaze and Ember are twin young demon raised by Butterfly. With them big sister Star, the twin got discover new world and iving adventure

After rescuing Marcia from being held prisoner by Toffee, Comet Dragonfly and his friends return to their lives on Earth. Little do they know that the missing half to his now damaged Wand is still out there, and sinister powers plot to usurp its power for themselves. As Comet is about to learn, evil can take many forms... Part 2 of the Comet vs. The Forces of Evil series

Rated T for safety. Picks up right after “Beautiful Christmas.” Join Star, Marco, and all of their friends & loved ones as they continue exploring their new world & working to create a loving, inclusive world for everyone.

After over hearing a small argument Star and Marco are having, Oskar suggests they smoke weed.

Hey everyone! After some thinking, I decided to give this another try. I made some minor but important changes here. This will be a completely AU story, since I really disagreed with most of the episodes and finale of the cannon series. Marco is going to go on a journey on his own planet, but going to have some company along! R&R, no flames, enjoy and leave long reviews!

During a rather intimate moment deep into their relationship, Jackie discovers something about Marco that sets him apart from other guys. Though not what she expected, she loves him enough to make it work and together, they turn their normal teenage relationship into something beautiful, something wonderful. They just need a bit of help, is all. Commissioned by Ulysseus

A series of oneshots from canon and various AUs

Star's birthday is coming up, but most of her family and friends don't seem to notice and her enemies want to steal her wand.

I’m hopelessly in love with the Queen of Mewni, who sneaks into my room at night just so she can spend an hour not thinking about her missing mom. It’s messed up, I know, but I don’t plan on stopping her anytime soon. Rated m for Starco lemon

Star and Janna accidentally get Marco in trouble. Meanwhile, Ludo wants the wand.

Star begins college and tries for a more goth persona. However, her plans change when she runs into Chantal and the two strike up a new relationship, one that quickly transcends the bounds of friendship. This is an anonymous commission.

With Mewni and Earth combined, Star and Marco never worry about being separated again. But how will the world change now that both dimensions have merged? Join Star and Marco as they see how things have changed while also making sure their new home is safe for humans and monsters. (Part of my youtube series, How I Would Write A SVTFOE Continuation)

So, what does a magical princess do when she's no longer magical nor a princess? Obviously, she and her friends go NASCAR racing, of course. Short scenes in no particular order that may or may not be related to each other, many of which parody "Days of Thunder" to some extent.

A series of one-shots around the various characters in my story Tales Of Mewni. Set in both the Tales of Mewni and Princess Callyie's Callyieverse.

In a last-ditch effort to survive Hekapoo used the last of the magic, to be reborn sort of speak, now sharing a body with Jackie Lynn Thomas the two must work together to get the one thing they desire, Marco Diaz

Total Au: A long time ago the war against monsters and mewmans came to an end and a new regime came but will it stay peaceful or will a new war break out because of a hybrid princess

Marco has been feeling that his relationship with Jackie was feeling stale, so he does what most boys would do: have a fling with a stranger at a party, but what would happen when that fling becomes your new roommate and something more.

Not everything is right and good in the Kingdom of Mewni. Some say they've been at peace too long. They have become complacent. Some say it is time for glory and opportunity. That it's time to remind the commoners and monsters of their place. Maybe even time for a new king. Who could possibly stop the... hey, what's the earth boy doing here?

After a 16 year struggle against Hekapoo for Dimensional scissors, Marco finally comes back home. This time, however, he's still the same 30 year old man he left the dimension as. As a result, every girl in his life start looking at him in a different light and it's exactly the way one would expect. In collaboration with and created by ReaperJ