The concept of the 'do-over' is used in, at the very least, hundreds of Harry Potter stories. Here's my own take, using a HP character that actually has a good reason for getting another chance to make things better.

Lonely and outcast by his classmates, Remus wishes on a moonshadow for a friend who understands him. To his amazement his wish is answered not once, but three times, by his former enemies, the Marauders. SBRL and some JPLE as well, of course.

Everyone said Harry was different, but what if the differences were more than just surviving the killing curse? What if Harry had Autism? How would the wizarding world react and adapt to The Boy Who Lived?

Two boys grow up together in an orphanage, grow powerful at school, are torn apart by death and brought back together by rebirth. Horcruxes aren't the only way to live forever. Necromancy, reincarnation, TR/HP Slash dark!Harry.

Fighting a heroic battle in a room full of mysterious time pieces is not a smart thing to do. Time Travel, Slash TR/HP.

In Harry's 6th year, a duel with Draco results in unexpected consequences. Sent back in time to 1944 with no memories, Harry learns a new view of the Dark side. Conflictions arise on return to his own time with his old memories. Which side will he choose?

Non-magic AU, 2004: The summer before college, Sirius goes backpacking through Scotland to escape his family's expectations. In a small village in the Highlands, an unexpected flirtation turns his whole world upside down. Alternately, the story of how Scotland loves Remus and wants him to be happy. Written 2011, edited 2014. Podfic available at AO3.

• "Could you possibly be feeling sorry for Lord Voldemort?" -Dumbledore, p264 of -Brit- HBP. Alternative Half-Blood Prince ending with TMR/HP. Romance, dreams, obsessions, possessing… Dark!Harry. No time-travel. Obsessions with Malfoy, broken trio. Hr/R.

The excess of the Fate's Favourite universe.

This is a series of oneshots that involve Harry believing that everyone in the 'magical' world is insane. Starts with Dumbledore, Snape, and McGonagall getting Harry, instead of Hagrid, and goes in random order from there. Involves much sarcasm from Harry. Feel free to adopt.

What ever happened to Sirius Black, infamous Marauder? Everything in his life is going wrong: his grades slip, his abuse from his parents is no longer a secret. His friends know he's sick, but they can't stop him. Anorexia is all he has left. MWPP Trigger warnings for anorexia, bulimia, EDNOS, and abuse

Punk guitarist Remus Lupin was never been a big fan of popular band 'The Marauders', but with a chance like this, how could he resist?

See how Ginny Weasley's being sorted into Slytherin and becoming a Death Eater spy changes her destiny and the fate of others...don't be scared by length. Mostly HP compatible. Story is about growth and healing too.

“When you’ve seen as much of life as I have, you will not underestimate the power of obsessive love.” Nothing can manufacture or imitate love. But could a love potion create the right circumstances for an unlikely love to happen on its own? SLASH HP/LV-T

Sirius nabs veritaserum from an unsuspecting Slughorn. Interrogation ensues.

After a potions accident, Harry is now de-aged. To five. During the summer before third year. And of course it's an escaped convict on the run that manages to find him. And said convict is his godfather. How lovely. Dumbledore should be pleased.

The fallout from the Dueling Club was worse than in Canon and leads to the release of one Sirius Black from Azkaban. And he is not amused. 1 SLASH couple.

Remus discovers that time splits itself.

Harry's world ends at the hands of those he'd once fought to save. An adult-Harry goes back to his younger self fic. Semi-super!Harry, Voldemort/Harry, SLASH-for the idiots

After one of James' better thought out pranks, Sirius is without a bed. Remus is only too happy to share, but will it bring up feelings neither have been willing to accept?

The story of Harry and Ginny's life between "Deathly Hallows" last chapter and epilogue, as told alternately by Harry and Ginny themselves. "'Keep an eye on Draco Malfoy,' he said, 'don't forget what happened to Tom Riddle.'"

A game of truth or dare gets out of hand, and Sirius ends up doing something that could change EVERYTHING. A truth or dare fic written on the request of xNomi. RLSB, RemusSirius, Slash. Oneshot.

Sirius is a bit of an attention hog, really, so when Remus isn't paying attention to him, Sirius sets out to get it. RL/SB. This contains slash, so don't click on it if you don't like. Rated for language and suggestions. Enjoy!

Sirius is sorted into Slytherin and attempts to walk the line between his affection for a skinny werewolf and pureblood expecations.

Remus is in the bad habit of falling… in more ways than one. Luckily, Sirius is there to catch him. Sirius/Remus. Oneshot.

Summary: 'Kisses are like tears, the real ones are the ones you can't hold back.' Author Unknown

PWP. The title says it all. Pairing: None really. Remus, Sirius, James, Peter. hints of Remus/Sirius

Harry recalls that a pale little girl called Sally-Anne was sorted into Hufflepuff during his first year, but no one else remembers her. Was there really a Sally-Anne? Harry and Hermione set out to solve the chilling mystery of the lost Hogwarts student.

Growing up, Harry Potter became a smartass. Now he's starting Hogwarts, with trusty sidekick Millicent Bulstrode, a question for everything, and a cheerfully sarcastic demeanor that makes everyone want to smack him.

When Harry goes through some changes the summer before his Fifth year, his relatives don't react well. Suddenly Harry finds himself homeless and alone, and learning to cope with yet another whole new world he'd never known existed. creature, royalty

It's summer holidays and James and Sirius are bored. So they decide to kidnap someone. SiriusxRemus One-shot, entry for a contest

AU: Sirius is just a sixteen year old boy. He shouldn't have to deal with parents that argue all the time. It's too overwhelming. But when it gets to be too much, he has an escape in Remus, who shows him that not all overwhelming emotions are bad. RL/SB

An injured six year old Harry Potter wishes for escape from his cupboard with surprising results. As the wizarding world struggles to cope with his disappearance, Harry discovers childhood can be fun.

It all began with a werewolf's desperate search for some means of satifying his craving for chocolate, escalating into a brownie food fight with Sirius, and then a bit more. You'll have to read to find out what the "bit more" is. *winks* R&R

Lord Voldemort decided he will teach DADA for Harry's sixth year at Hogwarts, whilst spy on the headmaster and plan the old man's demise. But there is something strange going on. It seems Harry Potter is not all he's cut out to be. HP/TR. M/M

Sirius talks to Harry after the St, Mungo's visit in OotP, when he thinks Voldemort is possessing him. AU.

Sirius is deliberately annoying poor Moony.When Remus tells him off,he's slightly shocked by the response he recieves."What are you gonna do about it,Moony?" Sirius whispered,grey eyes sparkling mischievously."Bite me?" Oooh.For MisheruMishell RLSB SLASH

So maybe everything didn't work out perfectly for Harry. Still, most of his friends survived, he'd gotten married, and was about to become a father. If only he'd have stayed away from the Veil, he wouldn't have had to go back and do everything AGAIN.

Donna invites the Doctor and the Master to a Christmas party and it's up to the Doctor to convince the Master to celebrate Christmas. A little holliday fluff writen for Christmasgift!2009. Written for qaffian luvr. Master/Doctor

Someone is determined to see Remus Lupin, Head of the Dark Creature Legislation and Control Department, dead. Auror Sirius Black is assigned to protect him and in the process, both men find something they never expected. Written for rs games at LJ.

Due to some irregular and unfortunate circumstances, Remus is left alone with his peppy inner romanticist, who begins to say some interesting things.

Poor Dumbledore didn't know there was even a such thing as autism, much less high functioning autism. And that kids with high functioning autism are rather intelligent and near impossiable to manipulate. DisorderHarry. May be pairings later.

When the usual channels of communication are shut down, the most surprising people can find a way in. A strange little love story. HPDM slash, AU 7th-year fluffy!verse.

Harry was sent to Azkaban after being framed for murder in the beginning of his 6th year at Hogwarts. While there, he unlocks the "Power the Dark Lord Knows Not". What will happen once his former friends know he's innocent? Watch the fun.

YEAR ONE COMPLETED! As a first year, Harry is sorted into Slytherin instead of Gryffindor, and no one is more surprised than his new Head of House. Snape mentors Harry fic.

On the list of Very Bad Things Sirius Black has done, Snogging Moony In a Bathroom is really only eighth or ninth.

“Don’t do this to me.” Remus speaks quietly in the soft shadows. Their faces are too close. “Don’t make me tell you ‘no’, Sirius. I’m no good at it. Because, whatever part of you belongs to your family, I can't fit there, don't try and make me."RLSB slash

One shot::What happens when Sirius' bed is 'uncomfy?

Adopted from padfootsrevenger. Harry and Luna are the only ones left from the war and travel to a separate world where they join the wizarding world as the Maximus twins...

Remus dares Sirius to kiss a boy for the first time before the Christmas party is over. But after the kiss, Sirius feels withdrawal symptoms as he desperately wants to feel exactly how he felt that first time he kissed a bloke. RL/SB Slash

There's something lurking under Sirius' bed... Who does he run to? ... Remus of course! RemusXSirius

Harry and Luna, after the final battle where they lose everyone they hold dear, find a way to transport themselves to another world where Luna poses as Harry’s twin sister. Hello world here they come! *Unfinished* Adopted see profile.

WARNING: Slash RLSB MWPP Era OneShot Slightly more angsty than my other stuff. Sirius is upset about his family and his preferences, and Remus tries to cheer him up in the best way possible. Remus shouts, Sirius throws pebbles, and they both get very wet.

Remus was terrified. What did he like? Why did it matter what he liked? Why did he have to write an essay about it? Puppy fluff.

He had to think of something. Something brilliant, and noble, and heroic 'Catch me Remus' or something completely stupid and random.

James Potter has made the mother of all pranks. Sirius and Remus must pretend to be in love for one week, and if anybody guesses its a fake, they both get cursed by a potion James gave them. Cursed with a six month long disfigurement. SBxRL eventually

Harry is getting ready for another year at Hogwarts. Hoping to change the terrible events of his fourth year he throws him self into the action.AU.The continue of HP and the power the dark lord knows not. Read that first!

PostOotP. The lines between Dark and Light have faded into Grey and Harry must learn to fight for himself...7th year and the war is breaking...Lords, Heirs, Vampires,werewolves, magic and more.No pairings.AU after HBP. COMPLETE

A week after Sirius falls through the veil, Harry receives a gift, which might hold the answers he's been looking for.

“Why do men have arms?” asked Sirius, watching Remus expectantly. Sirius is being weird and Remus is confused. Pure fluff and humour. Warning: Slash

After Remus pokes fun at Sirius for his lack of subtlety, a bet is made. Can Remus get a date without resorting to obvious methods? Slash RLSB COMPLETE

Year 7. Harry Potter is coming into his magical maturity as he turns 17…but the stronger he grows, the less sane he feels. What will happen to Harry as he prepares to face Voldemort in the final battle?

Slash. SiriusRemus. One Shot. Sirius has a headache. Remus fixes it.

Chapter 9, About Beards and Dresses. Blackmail, crossdressing and some more dancing daisies. Raising Harry AU, RemusxSirius.

Slash. SiriusRemus. One shot. Remus feels mischievous and the boys play Word Association in the library because we all know Sirius can't say no to a challenge ...

Slash. Involving boredom, rain and neckkissing.

Sirius helps Remus hang laundry while staying with him over the summer. Snogging inevitably may ensue. [RLSB slash]

Like all great Sundays, there is nothing to do so Sirius, Harry and Remus busy themselves baking a chocolate cake. Mischief and a bit of kissing ensues. [oneshot fluff]

[Dialogue one shot] Sirius has been a very bad boy... SBRL slash.

Year six and Harry needs rescuing by Dumbledore and Snape. The resulting understanding between Harry and Snape is critical to destroying Voldemort and leads to an offer of adoption. Covers year seven and Auror training. Sequel is Revolution.

“Moony?” Sirius asks softly, without his usual swagger and confidence. “Do you ever feel like you’re going insane?” Remus considers the question carefully and then answers truthfully. “Everyday.” [RL.SB] Slash.

AU. A 'Sirius and Remus raise Harry' oneshot. Harry learns how to hug. Thanks to Sundaydriver and Ckdutchess for the betas.

Sirius knows Remus didn't get what he wanted for Christmas. Now he wants to know what Remus wanted, and all Remus wants is to keep it a secret. RemusSirius slash, Rated for mild snoggage. Tis fluffy and or cheesy. Please R&R!

A short story of Sirius and Remus cute banter and lovin'

After Sirius' death, Harry begins to have awkward dreams at night, and during the day his mind plays tricks on him. Trying to solve the mystery, Harry returns to the Death Chamber that holds the dais, and discovers something he never expected. FINISHED

Remus and Sirius have an odd past when it comes to showing affection--in other words, Sirius is very affectionate but never, well, serious about any of it--and it all comes down to one snowy winter afternoon. Marauders-era.

An extended version to the 'Whose son' talk in OOtP. Sirius doesn't see Harry as a new James despite what Molly Weasley thinks, Harry is his baby.

Slash[SiriusxRemus] In the days of the Marauders, piñatas were perfect for any party, sheets were something to ponder over, kisses were well thought out, and mistletoe was something Sirius Black kept in his pocket for just the right occasion.

James is given an orb that takes him, Sirius, & Remus to Harry's sixth year at Hogwarts. Now why would someone do that? To make sure Harry is never born, possibly. While they're there though they can show Harry a thing or two about being a Marauder.

Remus keeps studying and Sirius wants him to stop. Threats and Clumsy first kisses ensue. Featuring SB/RL pairing of course! Recently re-written.

When you assume, you make an ass out of you and and me. " - Paul, 8 Simple Rules. SLASH

Harry is given 'The Talk,' by the only two people who could. Mild slashy undertones.

Sirius begs Remus to teach him how to dance in time for the annual Ball, but their lessons turn into something much more. (Slash: RL/SB)

Sirius, Remus, Christmas at Hogwarts, and a convenient couch in the common room. What more could anyone possibly want? (Slash, fluffy)

Harry goes back in time to give his five-year-old self a happy Christmas. Break out the milk and cookies for this one! Complete!

Sirius and Remus overhear two girls talking about what a great kisser Sirius is. This leads to some experimentation and some startling revelations. Slash [SiriusRemus]