Siblingau Stories

59 Stories

The Life of Firstborns (Sibling AU) by xking_of_demonsx
The Life of Firstborns (Sibling AU)by xking_of_demonsx
Some secrets are meant to stay buried. Lucia a shady teen on the brink of 18 with a loving energetic sister Luz who is about to celebrate her 14 birthday but all it take...
Who Ever Said I Was Happy? || Vigilante Izuku by TheKatGamer5
Who Ever Said I Was Happy? || TheKatGamer5
Izuku Midoriya was the youngest child in his family. He and his siblings were all triplets. Inko and Hisashi expected them to have strong quirks, since both of them were...
All because of that stupid book (TOH/Lumity Human AU) by AmityNocedaaa
All because of that stupid book ( AmityNocedaaa
It hasn't been a good year for Lucía Noceda, in desperate need of a job, she takes up cleaning a pool for one of the richest families in the town; the Blights (Beta lumi...
+22 more
Falling inlove with witches [the owl house sibling AU] by wallceandstevenskid
Falling inlove with witches [the Pokemon Corner 😸
This story contains: Lumelia(Lucia x Amelia) Lumity (Luz x Amity) Wicky (Wionna x Becky) a.k.a willow and Boscha beta Boschllow (Boscha x willow) Golddric (Hunter x edri...
✰ I'll Never Be Good Enough For You ✰ ~ Sibling AU by snickerpersonal
✰ I'll Never Be Good Enough For snicker
She swore to give normal a try and here she was. Luz looked out the window and, voilà, her Azura book is being taken away by an adorable owl. She yelled to stop the bus...
My Source of Happiness [COMPLETED]  by BuRocks17
My Source of Happiness [COMPLETED] by ||Jolyn on HIATUS||
"My little brother's my source of happiness... ... how about yours?" [BBB Air & BBB Angin (Sibling AU)] {Disclaimer: I do NOT own BoBoiBoy nor any of the chara...
You're All I Need [COMPLETED]  by BuRocks17
You're All I Need [COMPLETED] by ||Jolyn on HIATUS||
"You're all I need..." [BBB Petir & BBB Daun (Sibling AU)] {Disclaimer: I do NOT own any of the characters here. They belong to Monsta. I only own the plot of...
Perfect Brother [COMPLETED]  by BuRocks17
Perfect Brother [COMPLETED] by ||Jolyn on HIATUS||
Be perfect? Or be yourself...? [BBB Cahaya & BBB Api (Sibling AU)] {Disclaimer: I do NOT own BoBoiBoy nor any of the characters here. They belong to Monsta. I only own...
Witches and Wishes by ilovebooks31415926
Witches and Wishesby Hi peeps
Owl house sibling au! There may be a little triggering stuff, not a lot tho. Anyways, luz and lucía get to the boiling isles, stuff happens NO SPOILERS Pls correct my S...
"The Potter He Likes" Draco Malfoy X Potter Reader by l0v3l1k3y0uDELUX
"The Potter He Likes" Draco WritersBlockInPerson
What if the night when Peter ratted out the Potters, he also told the Order Voldemort was coming? By the time Voldemort arrived, the entire Order of the Pheonix was ther...
Haikyuu x Idolish7 : Our Harmony.  by NanaNella32
Haikyuu x Idolish7 : Our Harmony. by nananella
Shoyo Hinata a sunny girl with a cheerful smile that everyone really love and love volleyball. She decided to visit her brother and meet his friends for the first time i...
Telescope | BBB by Whisper018
Telescope | BBBby Whisper018
"I'll figure out tonight what it is I need to do, Fabricate a lie and relay it back to you, In my head it's only letters, Make 'em make sense to make it better"...
Always Here For You [ON-HOLD]  by BuRocks17
Always Here For You [ON-HOLD] by ||Jolyn on HIATUS||
"If I'm all what you need, then I'll always be here for you..." [BBB Petir & BBB Daun (Sibling AU)] {Disclaimer: I do NOT own any of the characters here. The...
forgotten siblings by sisterpower378
forgotten siblingsby emily
Muzan and Giyuu are siblings. Giyuu was 4 and Muzan was 19 when Muzan was turned into a demon. Giyuu was too young to remembe.r what happened. Muzan turn him into a demo...
𝙏𝙝𝙚 𝙆𝙞𝙣𝙜'𝙨 𝙏𝙬𝙞𝙣|¦ KG?? siblings AU by XuMingUWU
𝙏𝙝𝙚 𝙆𝙞𝙣𝙜'𝙨 𝙏𝙬𝙞𝙣|¦ 𝘶𝘳𝘭.𝘤𝘰𝘮™
❕❕❕𝑶𝑵𝑬𝑺𝑯𝑶𝑻❕❕❕ ☑️🄲🄾🄼🄿🄻🄴🅃🄴🄳 🏐🏐🏐 Looks like Kageyama Tobio isn't the only one planning on joining Karasuno's volleyball team. After long months of co...
♡ deaf!amelia/beta amity oneshots [the owl house] by y0urdearestvalentine
♡ deaf!amelia/beta amity ⊹ ⋆゚ valentine
♡ ‧₊˚ request status ; open! it's exactly what the title says!! leave story ideas if you want :)
Gravity Falls Sibling AU ☆ by lamepot
Gravity Falls Sibling AU ☆by Just lamepot
Read the tittle. Author: This is my first book and i hope you enjoy it. I'm bad at writting summary. The art belongs to buryooo and tanosan. I do not own any gravity f...
Ones True Self by luzxamity_simp
Ones True Selfby luzxamity_simp
luz has it all good grades big maner friends and a ritch mom what is messed up about her life well that is for you to see
Playing hard to get {Sibling AU} by fanfickid2007
Playing hard to get {Sibling AU}by I'm gay
Two teens. One playing pretend and being 'perfect'. The other, a weird wannabe who's extremely dumb and selfless. Under one dorm roof. {Human AU} |TW. Drugs, homophobia...
Let It Be All A Dream | Billdip by GFBilldip_fan
Let It Be All A Dream | Billdipby ⓨⓐⓞⓘ
[Slight Willdip&Killdip] [Book 3] Bill's dead. He's dead. The all-knowing powerful dream demon is dead. Dead!!! But to Dipper, he wasn't. But what will happen if Dipper...