His whole life Marco Diaz has been raised by monsters, living under the cruel rule of their leader, Toffee. But one day Marco escapes into Mewni where he meets a magical princess and Mewman like himself, who begins teaching him all about her world. Together they will learn about life, love, and the lights within each of them, as they change their world forever.

Morty Smith always had a hard time making friends at his school. His grandpa Rick didn't help any. But one day, something happened that seemed more unlikely than anything he had encountered on his dimension hopping adventures…he made some normal friends. Now he just has to worry about keeping them. A crossover story between Total Drama and Rick and Morty.

La refinada y responsable princesa Star Butterfly quiere tener algún desafío en medio de su "perfecta" vida, por lo cual va a la Tierra a estudiar y a perfeccionarse como futura reina teniendo que vivir con Marco Díaz el cual no esta dispuesto a ocuparse ella, sin embargo entre ellos nacerá una amistad...que podría acabar teniendo consecuencias devastadoras para ambos.

The sequel series to 'My Star'. With that little adventure behind them, Star and Marco are back on Earth, where they'll be facing new dangers, having new adventures, meeting new friends and enemies, and uncovering dark secrets that will lead them to discover a shocking truth. Also, they will stumble upon a certain someone who might just change their lives.

U.A. Despues del incidente Bon Bon, una serie de acontecimientos despertaron un antiguo y oscuro poder, el cual Marco carga sobre sus hombros, llevándolo a ganarse el título de Guardián. Ahora, estos eventos lo acercaron cada vez más a Star, hasta un punto que nunca antes se había imaginado. Sin embargo, una nueva amenaza acecha al reino de Mewni desde lo desconocido...

After everything they went through, it came a time of peace. But in times like these, important decisions must be taken and so both Star and Marco will need to be ready to face the destiny and consequences of their actions and choices.

It's hard enough being Spiderman on a normal day. But when he wind up hosting a magical princess from another dimension who just wants to have fun, being Spiderman goes from tough to nearly impossible. Especially once she knows your secret.

Oneshots o historias cortas sobre diferentes universos alternativos de la serie e ideas aleatorias enfocadas en Starco principalmente y Tomkie. Nuevo capítulo 11: Starco gender bender de bad boy x princess! ¿Qué pasa cuando cierta pareja mantiene su relación en secreto? La desesperación podría hacer que Marci tramara algo...

Centuries ago, Mewni was against the overpowered Butterflys; due to it, their kind slowly faded. Pregnant Moon Butterfly has grown worried for her unborn child, afraid that her baby will be next to be born a True Butterfly. As it is proven, the child must be sent to Earth for her safety when she is discovered to be connected to the web of magic. There she grows hidden from her past

Toffee took both Star and Marco in Storm the Castle. After months of imprisonment and experimentation, they have escaped, but not without scars. Each have a half of the wand infused in their chests, along with the strange ability to turn into beasts, but both are left with little memories besides for their names. Not accepted by human or monster, they must fight for their survival.

[NEW SITE COMPLIANT (not smutty) CHAPTER POSTED] [STORY STILL COMPLETE] Marco and Star have been separated by the dimensions. Why were they torn apart? Can they make their way back to each other? There will be adventure, action, and drama. But most of all, there will be Starco. HELLA STARCO!

Star Butterfly wasn’t—isn’t— a normal girl, she’s weird and has few to no friends. She often hangs out by herself reading comic books under her favorite tree—and imagining the end of the world. But, despite constantly thinking about it, she’s surprised to see it unfold one night. An apocalypse. An actual apocalypse. With a friend she’ll regret making: Marco Diaz. “I...i’m sorry...”

Set after Monster Bash, Star and Marco go looking for Meteora - only something goes wrong. Can one of them save the other, will the rescue party prevail? Starco, fits in Canon, dimensions. Star Butterfly, Marco Diaz, Hekapoo, Tom

Star returns to earth after an intense battle on Mewni. But things get bad as Marco discovers his best friend had lied to him, shattering his heart. Toffee taking advantage of the situation convinces him to help him with his plan, to find the Queen of Darkness herself. Can Star not only fight the two most evil beings in the multiverse, but also her best friend?

Sequel to 'THE BALL OF THE BUTTERFLY' - Now that Star and Marco are finally a couple, what trials and tribulations will the duo face? What is the mystery behind the purple glow of Star's wand? And what will happen when they run into an old foe? As it comes together, it falls apart. STARCO

Set before the events of Bon Bon the Birthday Clown - When Queen Moon tells her daughter that she must choose a suitor to arrange a near-future marriage with, Marco must pretend to be Star's boyfriend in order for her to escape such a huge decision at such a young age. But at what point do fake feelings become real when they must attend a ball on Mewni together? STARCO

Demon Marco AU. Tom returns into Star's life, but when Star starts to forget about Marco, he turns to the dark, and becomes a demon. But what happens when he awakens a greater evil? And can Star save Marco from The Demon Within him?

"M-m-marco... if you're going to die... I'm dying with you."

Marco Diaz never realized how special he was until he found a sugar skull mask in his room. He thinks nothing of it until Star leaves and he is taken to the Land of the Remembered after La Muerte's death. Years pass and soon Marco finds Star coming to him for help to save her kingdom. Can Marco help her without letting his feelings get in the way? Enjoy!

The night after the Monster Arm incident, Star and Marco have a talk and share their first hug.

Rated T for mentions of self harm. When Star finally realizes just why Marco always wears hoodies, she does a little research...and then needs to reassure herself that he's still okay. Slight Starco, oneshot.