These are all of my Harry Potter/Sirius Black fic recs!
Click HERE for other Harry Potter Cross Gen Recs!
♥ = favorite
updated August 12, 2019
Harry Potter/Sirius Black
Word Count: ~1,300
Warnings/Content: AU: Sirius lives, established relationship, marriage!fic, bottom!harry, bondage, sex toys, blindfolds
Summary: Sirius is standing there, and the witch is going on about a year and a day and all that and slipping the cool silk between her hands, but he's screwed, because all he can think about is other things an industrious bloke can do with ties.
Fabulously sexy fic with a really wonderfully real and tender relationship between Sirius and Harry. I love the way glimpses of their wedding day are cut with glimpses from their wedding night. :)
Word Count: 1,334
Content/Notes: established relationship, secret relationship, underage, dirty talk, light praise!kink, hp_kinkfest 2015
Summary: The thing Harry likes most about blowing Sirius isn't the taste; it's the things that Sirius says.
Super hot fic, with a Harry who is gagging for it and a deliciously dirty talking Sirius.
Title: Break the Clock
Rating: Hard R
Word Count: 1,442
Content/Warnings: underage sex, clothed sex, underaged drinking, desk!sex, hprarefest 2015
Summary: Grimmauld Place is slowly killing Sirius, and Harry knows it. He also knows just how to fight it.
Gorgeous fic that takes place during OotP and beautifully shows Sirius and Harry's simmering anger over their situations, and how that really brings them together.
Summary: Harry finds Sirius in the kitchen.
God this was so hot and the characterizations were so spot on for both Harry and Sirius.
Title: Flying in Place
Word Count: 1,623
Warnings/Content: underage, face-fucking, blow job friday 2015
Summary: Once they'd all gone, Harry turned and leaned against the countertop. Sirius stared at him from his seat at the table, long legs stretched out. They both listened to the others' voices retreating, their footsteps going slowly up the stairs.
Super hot PWP set during OotP. Loved the connection between Harry and Sirius that shines through.
Title: Dealbreaker (if you think on it)
Word Count: 1,865
Content/Warnings: Underage (Harry is 15), daddy!kink, mild dub-con, bottom!harry, rimming, spanking, hp_crossgenfest 2018
Summary: Harry had never actually intended to let this kink slip so, of course, it happens right in the middle of sex.
Oh, this fic is seriously hot and captures all of the dirtyhotwrong feels I adore with this pairing.
Title: Cigarette in My Bed
Word Count: ~1,930
Warnings: Capnolagnia: arousal from watching others smoke (i.e. smoking fetish), chan, masturbation, voyeurism, first time, bottom!harry
Summary: Harry had no idea what was wrong with him, but he couldn't stop watching Sirius.
Hot and gorgeously written. Harry's smoking fetish really permeates the fic.
Title: Wild Men
Warnings: chan (14), cross-gen, godfather/godson, uncircumcised penises
Word Count: ~2,380
Summary: Harry watches Sirius strip off his putrid rags by the side of the clear pool. "God..." Sirius sighs, scratching his chest, turning his bare white arse to Harry. But not before Harry gets an eyeful of the other.
Jesus this was hot. Harry's inexperience and desire were so well written and Sirius' guilty reluctance and how touch-starved he was from Azkaban come through beautifully.
Title: Coax to Bliss
Word Count: 2,428
Content/Warnings: AU: Sirius Lives, shower!sex, dirty talk, intercrural sex, implied bottom!harry, semi-public!sex, praise!kink, light D/s, hp_crossgenfest 2019
Summary: Harry likes to break the rules but he's very good at obeying when he wants to.
Super hot fic with a fabulous dynamic between Sirius and Harry!
Warnings: chan, role-play (pseudo-incest), daddy!kink
Word Count: ~2,500
Summary:The first time it happens Sirius chooses to ignore it, chalking it up to orgasm-induced incoherency. So what if Harry arches up and breathes "Daddy" when he comes? He probably doesn't even know what he's saying.
Super hot! I love this kink with this pairing.
Title: Summer of Eden and sequel Between Breaths
Word Count: 2,782 and 665
Content/Notes: first time, bottom!harry, underage, light bondage, light breathplay, hprarefest 2014
Summary: He knew Harry was growing up. That was the whole point of him being up here – to get to know the person Harry was becoming – but it was one thing to know it and another thing entirely to actually see it and feel himself respond. Sirius only meant to spend some bonding time with his godson away from the prying eyes of the Order, but Harry is beyond tempting and Sirius has never been very good at saying no.
A really amazing fic with a really fantastic characterization of Sirius and some crazy ridiculous hot sex. And the sequel is just gorgeous. I just adore Sirius in these.
♥ Title: Sins of the Father and Only Forgiven
Author: xylodemon and happiestwhen
Pairing: Harry/Sirius, implied James/Sirius and Hermione/Ron
Warnings: cross-dressing, dirty talk, dub-con, underage, bottom!harry, first time
Summary: In which Sirius finds Harry in an interesting situation and promptly takes advantage. // Sins cannot be undone, only forgiven. - Igor Stravinsky
These fics have everything I love about this pairing. The angst and the guilt and knowing it shouldn't happen, but not being able to stop. Sirius missing his dead best friend and lover and seeing James in Harry and letting that dictate his actions. Sirius knowing it's wrong but not quite caring enough to stop. And all the guilty feels and Harry's inexperience and confusion make everything so much hotter!
♥Title: These Walls Were Built to Fall
Warnings: underage, bottom!harry, first time
Summary: Harry is James' son and twenty years too young, and Sirius could build a brand new house with the cold wreckage from all his bad decisions and ruined relationships.
I think this is the first Sirry fic I ever read and boy did it turn me onto them so hard. So freaking hot with the guilt and the forbiddenness and the inability to stop. It fits so perfectly into canon and OMG the ending is so perfect and melancholy, especially considering what happens next for Sirius in the books.
Title: Keeping Secrets
Word Count: 3,255
Content/Warnings: Underage (Harry is 15), rough sex, shower!sex, dirty talk, bottom!harry, hp_crossgenfest 2016
Summary: Harry knows that it’s wrong, sneaking around with Sirius like this. He knows that they both know it’s wrong. What he doesn’t know is why Sirius started it when he can barely look Harry in the eye afterwards.
Such a beautifully sexy fic with that perfect blend of guilt and angst I love so much with this pairing. Super hot, and I loved the hopeful note it end on.
Title: Slip Free of My Grasp
Pairing: Sirius/Harry (past, non-explicit Harry/Ginny)
Word Count: 3,450
Warnings/Content: AU: Sirius lives, cross-gen (40/19), public!sex, bottom!harry, rimming, table!sex, first person POV
Summary: I don't want to be bad for him. I want to do bad things and still be, somehow, inexplicably, good.
I'm so picky with first person POV, but it works so well here. Sirius' voice is perfect in this, with that fantastic balance of guilt, and Harry obsession, and just not giving a fuck about being an upstanding gentleman. Loved seductive Harry and the sex was seriously hot like burning.
Title: Drunk Love Baby
Word Count: 3,531
Content/Notes: first time, bottom!harry, underage, drunk!sex, underage drinking, mind altering substance: alcohol, dirty talk, daddy!kink, praise!kink, light dub-con
Summary: Harry wants Sirius to be happy, and he's willing to do anything to make him that way. Sirius is both a bad influence and an irresponsible adult, and Firewhiskey never stops things from getting out of hand.
JFC this fic is hot like burning! SO many delicious kinks in this one and a fabulous dynamic between Harry and Sirius. I sort of think this pairing was made for daddy!kink to be honest, and combined with the slight blurred edge of inebriation, the whole thing is just blazing hot.
Title: Just One More Secret
Word Count: 4,000
Warnings: age disparity, underage (Harry’s 15), sentient bestiality, xenophilia, hp_kinkfest 2012
Summary: A dog can be a lonely young boy’s best friend.
Bestiality is really not my kink, but it just works here, the psychology behind both Harry and Sirius' actions is so real.
Title: Good Boy (locked on comm)
Word Count: 4,114
Warnings: AU, chan, dub-con, rimming, felching, light xenophilia
Summary: Good boys get their sweets.
This is not quite dark, but definitely a bit more filthybadwrong than most of the Sirius/Harry I read. This takes place during GoF, and has a Sirius that definitely doesn't really understand boundaries. I loved this sort of twisted take on Harry and Sirius's relationship, and the whole thing is dirty hot.
Title: With Worldly Hands
Word count: 4,531
Warnings: chan, dub-con, rimming, felching, merry smutmas 2005
Summary: “Would you so soon put out, with worldly hands, the light I give?”
This was exactly how I like this pairing. Harry's young and innocent, Sirius is guilty and fucked up, and they're both a little love starved. Dirty, guilty, hot sex ensues.=
Title: Right Now and So Strong
Pairing: Harry/Sirius, Hermione/Ron
Word count: 4,540
Warnings: AU: Sirius lives, godfather/godson, cross-gen (39/18), mentions of major canon character deaths, sirius_black fest 2013, bottom!harry
Summary: AU Sirius lives. After the war Harry moves in with Sirius and they both have nightmares and comfort each other. One thing leads to another…
I always imagine Harry having a lot of nightmares after the war, and this fic handled that idea wonderfully. I thought the angst Sirius felt about Azkaban and all the people he lost and his "inappropriate" feelings for Harry were really well handled. And then he just loses it and gives in and it's so hot.
Title: Just Breathe
Word Count: 8,012
Warnings: major character death (canon death), chan, first time, bottom!harry, hp_kinkfest 2013
Summary: “You’re not evil,” Sirius whispered into his ear. “You’re the kindest person I’ve ever met, with the most heart. You’re the exact opposite of evil,” Sirius said, arms still wrapped tightly around him. “I promise you.”
Really wonderful fic that fits perfectly right into OotP canon. I loved this vulnerable Harry, and the connection between Harry and Sirius, how much they love and care for one another, comes across so beautifully. The sex is hot and meaningful and the ending is lovely and heartbreaking. (it is canon-compliant afterall)
♥Title: Steam Heat
Author: dementordelta & swtalmnd
Length: 8,500 words
Warnings: rimming, chan, PWP, first time, bottom!harry, size kink
Summary: Harry goes to get some godfatherly advice about asking girls to the Yule Ball his fourth year, and finds Sirius otherwise occupied in his cave.
This is so hot and the timing of it all makes it fit right into canon.
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