184Sanctuary of Stardust » by Sheii Bae Born into a life of cruel subjugation and confinement, a young child discovers that a different kind of prison might just become her safe haven. But nothing is ever that simple. With a deadline looming and troubles starting to pile up, a new friend with a lazy grin could be just what she needs right now. Multiple AU's. Slow burn. Female Frisk. Contains OC's. Eventual SansxFrisk
Undertale, T, English, Hurt/Comfort & Family, chapters: 52, words: 122k+, favs: 35, follows: 39, updated: 9/22 published: 2/20, Frisk, OC, Papyrus, Sans
449Light of the Sun and Stars » by thDorkMagnet 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.
Star Vs. The Forces of Evil, T, English, Adventure & Fantasy, chapters: 47, words: 798k+, favs: 406, follows: 426, updated: 9/21 published: 7/13/2017, [Marco D., Star B.] Jackie L. T., Janna
1MonStar by Horror Movie Fan001 My take on a MonStar story and rated for future chapters and reasons. After running into a frightened girl, a boy brings her home and introduces her to his parents...sorry, off day with the summaries
Star Vs. The Forces of Evil, M, English, words: 1k+, favs: 12, follows: 10, 9/15, Star B., Marco D.
279 Louise Summons a Pokémon Trainer » by RainEStar3 Louise summons Ash Ketchum, a Pokémon Trainer of the Kanto Region, as her familiar. Ash finds himself in a country that looks suspiciously like Kalos, but has a severe lack of Pokemon. Wielding powers only told in legends, what awaits the Trainer turned Familiar from another world and the Mage of Zero?
Pokémon & Familiar of Zero, T, English, Fantasy & Friendship, chapters: 15, words: 109k+, favs: 461, follows: 553, updated: 9/12 published: 1/1/2020, Ash K./Satoshi, Louise
234The Story of MonStar Butterfly » by B. Bandit23 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
Star Vs. The Forces of Evil, M, English, Hurt/Comfort & Drama, chapters: 38, words: 56k+, favs: 150, follows: 171, updated: 9/5 published: 5/9/2017
6A Star Among Mutants » by Tyrik and Rothem's Writing Inc Earth is world fill of Mutants and is about to be introduced to a Realm of Magic and Monsters Called Mewni as The Princess is sent to attend a school known as Xavier's School of Gifted Youngster. What is to unfold is yet to be known
Star Vs. The Forces of Evil, T, English, Adventure & Humor, chapters: 8, words: 12k+, favs: 9, follows: 6, updated: 9/5 published: 5/11, Star B., OC, Jackie L. T., Tom
99The Celestial and the Princess » by ROTHEM Marco is not like any other kids in echo creek, more specifically in the entire universe. This is most likely due to Marco being a half celestial. So what happens when a half celestial who is learning to control his extraordinary powers meets the rebel princess of mewni who is also learning to control the wand?
Star Vs. The Forces of Evil, T, English, Adventure & Friendship, chapters: 23, words: 122k+, favs: 166, follows: 198, updated: 8/31 published: 2/3/2020, Marco D., Star B., Jackie L. T., Janna
344Forgotten Ventures » by Ronald reagan If you could go back two years in your life, and you could remember everything, what would you change? When Marco Diaz wakes up in his old bedroom, with memories of events that haven't come to pass, he finds out that some things should stay the same. And that some things will change on their own. Rated M for language, violent scenes, and some spicy stuff.
Star Vs. The Forces of Evil, M, English, Romance & Adventure, chapters: 64, words: 473k+, favs: 354, follows: 393, updated: 8/22 published: 10/19/2018, Star B., Marco D., OC, Glossaryck
72The Chronicles of Selesdria Butterfly » by SkylarDragonheart Moon and River's firstborn daughter was seen as both a failure and a danger, so she was replaced by Star as the heir. This daughter, from whom no one expects much, turns out to be the only one capable of achieving unthinkable things... among them making the immortal monster fall in love. (Warning: Lemons, violence and strong language).
Star Vs. The Forces of Evil, M, English, Adventure & Romance, chapters: 24, words: 138k+, favs: 63, follows: 59, updated: 8/18 published: 4/11/2020, [Toffee, OC] Star B., Eclipsa
453 Averting the End » by LockAndKey989 The Magic High Commission discover that in one timeline similar to theirs the age of magic eventually comes to an end. So they decide to have the Butterfly Family and the Students at Ecco Creek watch the events which unfolded to avert the disaster in this timeline. Characters will be watching Star vs the Forces of Evil (but no transcripts so it shouldn't be considered copyright).
Star Vs. The Forces of Evil, T, English, Family & Adventure, chapters: 34, words: 114k+, favs: 372, follows: 306, updated: 8/14 published: 8/25/2019, Star B., Marco D., Queen Moon, Hekapoo
576 Marco Diaz: Rodan Reborn » by ReptileEdge Feeling heartbroken and lost, Marco travels far from castle butterfly to think, only to stumble upon an ancient monster temple. While venturing further into the temple, he realizes that it's a tomb for the remains of a giant monster. Upon inspecting its remains, Marco becomes chosen to be its successor. But what happens when you add giant monsters, drama, demons, and eco-terrorists
Godzilla & Star Vs. The Forces of Evil, T, English, Sci-Fi & Fantasy, chapters: 73, words: 227k+, favs: 176, follows: 169, updated: 8/8 published: 8/18/2019, Rodan, Marco D., Kelly, Star B.
32 Metamorphosis » by Adieulux A strange and broken girl suddenly bursts into Marco Diaz's humble life. As he and his friends promise to help her recover, they find themselves in a mystery that points to this girl being very special. What will they discover about her? About themselves? (A story of love, horror, friendship, hatred, trust, distrust, etcetera! Enjoy!)
Star Vs. The Forces of Evil, M, English, Drama & Romance, chapters: 20, words: 86k+, favs: 44, follows: 48, updated: 8/6 published: 11/6/2020, Marco D., Janna, Star B., Jackie L. T.
51Monster Crush » by brewer235 (AU) Meteora has been dating her new boyfriend for a few weeks, and after bringing him home to meet her parents, she finally plans to take their relationship to the next level. (Warning Lemons.)
Star Vs. The Forces of Evil, M, English, Romance & Friendship, chapters: 4, words: 24k+, favs: 136, follows: 129, updated: 8/4 published: 6/16/2020, Marco D., Meteora
257 Louise Summons the Last Airbender » by RainEStar3 Louise summons Aang, the sole survivor of the Air Nomad genocide, as her familiar. Aang remembered growing old, dying, and watching over the new Avatar, but now he's reborn as a kid again and summoned to another world. Louise was looking forward to a powerful familiar, but instead she summoned a young square class mage prodigy who's a bit touched in the head.
Avatar: Last Airbender & Familiar of Zero, T, English, Fantasy & Humor, chapters: 9, words: 40k+, favs: 1k+, follows: 1k+, updated: 8/1 published: 3/28/2020, Aang, Louise
194The Butterfly Twins » by Kinghammer Publishing The story of Star and Comet Butterfly, two intedimensional siblings who come to earth with the Diaz family. Join Comet as he tries to survive life on earth taking care of his rambunctious sister and learning new things, including things he didn't even know about himself... (OC Insert Story)
Star Vs. The Forces of Evil, K, English, Adventure & Fantasy, chapters: 33, words: 85k+, favs: 167, follows: 164, updated: 7/31 published: 3/11/2017, Star B., Marco D., OC
88 What the Heart Wants » by Rinpoo Marco's deep depression over Star's relationship with Tom forces him to leave Mewni castle in search of solace, but when he happens upon a sacred place that seems to offer untold happiness, he gets struck with tragedy. What is this place that knows what the heart truly wants, and what is the price it charges for it?
Star Vs. The Forces of Evil, K+, English, Romance & Drama, chapters: 21, words: 140k+, favs: 126, follows: 138, updated: 7/25 published: 3/12/2018, Star B., Marco D., Tom, Kelly
38 Mewni's Shadow Defender » by Agent Blast It's time for Marco to say goodbye to Star and leave Mewni for Earth. Marco is trying to cope with everything, meanwhile a powerful force has been awakened and what are its intentions? What happen's when Marco uses "new" abilities? Alternate Season 3 after Toffee's death. Rated M just in case. Marco x harem
Naruto & Star Vs. The Forces of Evil, M, English, Adventure & Romance, chapters: 6, words: 29k+, favs: 169, follows: 186, updated: 7/25 published: 11/18/2018, [Marco D., Jackie L. T., Janna, Star B.]
280 My Princess Academia » by Emma Iveli AU. In order to avoid Saint O's, Star must get into UA High's Hero Course! Which she thankfully does! While there she will make new friends, go on adventures, fight all sorts of evil from Earth, Mewni and other places! But will he classmates be able to handle her magic... or even believe her when she says she's a magical princess from another dimension? Maybe...? Please R&R.
My Hero Academia/僕のヒーローアカデミア & Star Vs. The Forces of Evil, T, English, Humor & Adventure, chapters: 41, words: 107k+, favs: 190, follows: 195, updated: 7/25 published: 9/30/2020, Izuku M., Ochako U., Tenya I., Star B.
3Butterfly Tales: Among the Chronicles » by SkylarDragonheart Collection of one-shots following the reigns of the Butterfly queens, Moon's motherhood and how it affected Selesdria and Star, Toffee's youth and more scenes of other characters from The Chronicles of Selesdria Butterfly. Warning: may contain violence, lemons, and strong language.
Star Vs. The Forces of Evil, M, English, Drama & Adventure, chapters: 2, words: 7k+, favs: 8, follows: 7, updated: 7/18 published: 6/6, Star B., OC, Queen Moon, Toffee
11Eclipsa Queen of the Blood Moon » by neztro Based on the story concept of Reptile Edge. What if Eclipsa husband was not a demon but instead a vampire. what if she plotted to return to her place of being queen of mewni... what if her husband's soul was reborn into a new body... find out here.
Star Vs. The Forces of Evil, T, English, Supernatural & Suspense, chapters: 7, words: 11k+, favs: 25, follows: 26, updated: 7/9 published: 3/25, Star B., Marco D., Queen Moon, Eclipsa