Bigsister Stories

bnha x big sister!oc class 1a needs more adult support, let's be honest... AU where eli midoriya, pro-hero, and TA to class 1a, helps and raises class 1a to the best of...

Lottie and Alexa had just settled into life with Peter and Mason but what happens when there's another person added to the mix? An unknown half sister suddenly appears b...

After Midoriya was cheated on by Uraraka he decides that enough is enough and moves to America to live with his sister. When he returns to Japan with his sister after a...

✿ Katsura Midoriya She's the Big Sister of your favourite hero in training - Izuku Midoriya. ⋆✩⋆ "Zuzuchan? My little brother, My dear Baby Brother. We always giv...

What if Yona had a big sister? She won't be the only child in the kingdom, right? Even so, history were told that the red dragon has a sister... welp no one knows in th...

Wrote this for my cousin who's OBSESSED with the Norris Nuts YouTube videos :) ------------------------------------------------------------ The Norris Nuts are a group o...

When Y/N meets her younger brother, Dustin's friend Eddie Munson and they start to hang out. Soon a great friendship forms, but will it go farther? •slow burn;) •Fem Rea...

"I love you Onee-chan!" "I love you too, Ototo"

What if Matilda had an older sister who also had mind powers like her. Who showed her love her mom, dad, and brother never did? Meet Melody Wormwood. She is the oldest a...

This is where you can be the big sister of the beloved teenage mutant ninja turtles. You all go through embarrassing times, while you grow up. This will be: Funny Sad Ha...

Could you walk a mile in Brooke's shoes? High school senior Brooke Whitman has one goal... stay low and blend in until graduation. That's it. If anyone knew what her ho...

*This is NOT - I repeat, NOT - a 'falling in love with my step brother ' type of thing. It's more of family bonding and whatnot. The MC will have another love interest...

Georgia Banks is a 14 year old girl that runs away from her foster house, she doesn't know where she is gonna end up but somehow she manages to find the one that will ch...

Sarah is Florence's 15 year old sister that gets send to her because she's struggling with her mental health and her mom doesn't know how to deal with it. Together with...

A heart-warming story of how a human has been summoned by a demon lord to become her little brother.

Just a little something I thought of; spinel came to earth with a bitter vendetta against pink diamond, to literally kill EVERYTHING on her planet and to kill a kid. sho...

Y/N is like an older sister to Jeff and Liu. She's a light in the darkness but this world can be cruel

Summer time the best three months vacation away from school unless you're a Pines! Hey I'm Y/n Pines oldest sister to Mason 'Dipper' and Abigail 'Mabel' Pines. I'm sixte...

It has been a 2 years since Scarlett and Elizabeth got full custody of the two little girls, what the girl's father did was terrible and will never leave their memories...

This is the rewrite, the old book is still out for readers to read for reasons I do not know of.