#there was constantly so much tension like yes dean hated him but that's irrelevant

[m1zumono]

why are they gay and why don't they get enough attention for it?

[alarriefantasy]

Hey! Was wondering if you could do a rev specifically for “my brother’s best friend” or “my best friend’s brother” ? Would really appreciate it! Thanks a lot! ❤️

I love this concept a whole bunch!!!!! Yes, I do have recs! :) :) :)

    Sibling’s Best Friend / Best Friend’s Sibling Fic Rec 

I Still Believe It's You and Me by Stylinsonvodka

Words: 1k

The one where Louis is fifteen and pretty as hell and takes it upon himself to seduce his best friends older brother.

Best friends brother�� by heyidkyay

Words: 2k

Harry and Lottie had been best friends since they were little, they told eachother everything, even the embarrassing stuff like liking your best friends older brother! When Lottie’s older brother, Louis, returns from uni will he look at Harry any differently or will he still see the same boy he left behind?

Turn The Lights Out by 1DirectionGaySmut

Words: 3k

Or the one where Louis gets fucked by his best friend’s older brother.

Girl Crush by writingstylinson

Words: 3k

Marcela is nothing more than Gemma's little nerdy sister. Louise is one of Gemma's best friend.

Marcela and Louise are in totally opposite worlds until they aren't. Thank you, Tumblr.

We'll be late again by Niall_Princess_Horan

Words: 3k

PROMPT -omega (or normal au) louis aka bottom louis is a cutie and adorable, and harry styles (alpha aka top) his older brother's best friend start noticing him and whatever and is a over protective, jealous and lovable cuteass boyfriend ho worships louis and louis is has low self esteem and he helps him idk louis is smol and adorable HEIGHT DIFFERENCE bye

harder to hide than i thought by dangerbears

Words: 6k

ridiculous self-indulgent high school au. louis's best friend's little brother suddenly got very attractive.

All Hearts Come Home For Christmas by itsprobablylarry

Words: 8k

Basically: Gemma brings ‘her boyfriend’, Louis, home for Christmas and her brother is really hot.

Be a Good Girl For Me by wannabebestseller

Words: 9k

Based on this prompt: “AU where Harry is Louis’ older brother’s best friend. He catches Louis dancing around his room in panties and blackmails him, saying that louis has to do anything he says or else he’ll tell Louis’ family that he wears girly underwear. Secretly soft for him, Harry gives him easy tasks and uses the whole thing to spend more time with Louis. Eventually, the orders begin to escalate and Harry teases Lou about his secret, making Louis shy and embarrassed. Louis loves the attention though, and forms a crush on his brother’s best friend. Lots of feminization, secret relationship, and enemies to lovers. Thank you!”

Dirty Little Secret by therogueskimo

Words: 10k

Or the one where Harry and Louis fall in love, but can’t figure out how to tell Gemma. That is, until Harry gets pregnant, and they don’t have much of a choice.

Promise To Treasure Me. by SS98

Words: 13k

“Leave me the Hell alone, Harry.” Louis grumbled; nobody needed a seer to sense his irritation. The boy had just gotten home from a poorly scheduled lecture on campus, to find his best friend’s brother also in the elevator.

Unfortunately for him, Harry is miles of persistence stuffed into a six foot three tattooed body that was the face of their university’s rugby team. Everyone loved him for his ability to dominate a game as the captain, and the dean thought Harry’s four year degree would not be enough. Harry is also the older brother to the only friend Louis had through high school, Gemma, which meant his shared apartment had to be opened up to this ghastly character as well.

“You do not get to insult me publicly and walk off.” Harry all but growled when he tried cornering Louis against the refrigerator.

Let Me Give You My Life by midnightskies 

Words: 14k

Gemma has one rule for Louis while he stays with her family at Christmas; not to hook up with her little brother, so of course that's the one thing Louis does.

i don't wanna be your friend, i wanna kiss your neck by crybaby

Words: 19k

Harry is a hopelessly romantic omega and Louis is his sister's best friend)

My Best Friend's Brother by RuinedBy5Guys

Words: 24k

This whole situation really started back around seventh grade when Gemma and Harry found it hilarious to sit me down and watch scary movies together. It always started off fine, but as soon as someone was whacked into pieces or running from some creepy guy, I would lose my shit. At first I didn’t think anything of it, considering boys never really seemed to pay much attention to me. But in my moment of fear, Harry always was right beside me. At first it was just casually sitting next to me, his leg pressed closed to mine, and his laughter addicting as soon as I would start to freak out. But then it turned into blanket sharing and our whole sides pressed together, while I strained my neck looking as far away from the TV as I could. Harry would play it off so casually, slipping his hand down onto mine and wrapping our fingers together, as if his sister wasn’t sitting right across from us on the other couch. I guess I should have realized then that I was getting myself into a pretty stupid situation. Because although I never admitted it until eight years later, I was falling hard for my best friends brother.

Pillow Talk by FallingLikeThis

Words: 25k

Or When Harry starts having confusing feelings for a male classmate, his sister's best friend, Louis, helps him figure himself out. Cue lots of kissing, sex, and falling in love.

darling, you give love a bad name by snowcaplou

Words: 28k

Louis' has been best friends with Gemma all his life in this stupid little town he's grown to hate. What happens when, after one night together with his best friend's brother, he falls pregnant? Surrounded by small minds and conservative cultures, Louis has to deal with parents that demand they do the "right" thing. Get married before anybody finds out.

Baby, What a Big Surprise by kiwikero

Words: 33k

Or, the one where shy, quiet Harry has no idea he's a carrier, and a one night stand with the most popular boy in school shows him just how wrong he was.

Featuring Lottie as Harry's best friend, Niall as her boyfriend, and, of course, Louis as the popular boy with a soft spot for his little sister's quirky friend.

With the Rising Sun by Tomlinsontoes

Words: 33k

Louis had been living in NYC for two years now while studying at NYU, and was probably the least social 21-year-old ever. Somehow he got roped into his sister's brilliant idea of getting her college best friend to help him branch out and meet people. Only there was one problem — Harry Styles is like the hottest thing on two legs and Louis' not ready to see a much older version of the boy who filled his fantasies as a teenager.

We Got The World Shaking by FutureMrsHaroldStyles

Words: 39k

Or the one where Harry goes into heat at his best friend Lottie's birthday party and her big brother helps him out.

Reeling Through The Fall by zarah5 

Words: 40k

AU. They hate each other. Except for when they don’t.

Lottie’s Brother by teenagedirtbag28

Words: 51k

The one where Harry Styles falls for his best friends older brother: Louis Tomlinson. When his best friend; Lottie finds out about his crush, she’s surprisingly not mad but wants to help Harry get closer to Louis, and make them fall in love.

Want You More Than A by TheCellarDoor

Words: 77k

Falling in love with your step-brother’s best friend is a disaster enough. When he happens to be the boy everyone loves and you’re a nerd who wears sweater vests and cries during rom-coms, it takes it to a whole new level.

It's Safer In The Dark by aace1234

Words: 79k

Louis Tomlinson is a 17 year old High School student who is constantly bullied. He is raised by his four older brothers and keeps them in the dark about his school life.

Harry Styles is a 20 year old who is repeating his Senior year of High school. He is extremely popular and is best friends with Louis older brother Niall.

Louis has a major crush on Harry. Does Harry feel the same way? Will Harry find out about what Louis is going through at school?

Best Friend's Brother by DirtyLarryStylinson

Words: 85k

When Harry Styles realises that his best friend, Liam, has an older brother hotter than the sun itself, how will he cope with the tension?

Bloodline by banana_louis

Words: 177k

Louis doesn't know how to feel when his best friend, Liam, finds out about a brother that he never knew, who was placed for adoption before he was born and is bursting into his life at twenty-four years old.

Louis is very wary of the man who might replace him. He has always thought of Liam as his own brother.

What if Liam doesn't need him anymore? What if there's no room for Louis? After all, blood runs thicker than water.

Louis doesn't like Liam's new brother and he doesn't even know him. That's irrelevant, though.

He doesn't like him. He doesn't trust him. He doesn't want him hanging around. He doesn't want anything to do with him.

That is, until he meets him.

♡ updated: 04.21.21

♡ credit to the owner of the manip

♡ past themed recs here