Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini FanFiction

The future is upon us

The future is upon us

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Blaise Zabini, Port Mafia Ensemble (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs), Armed Detective Agency Ensemble (Bungou Stray Dogs), Harry Potter Characters, Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini
After Dazai leaves Hogwarts at the end of coil. What happens after?
Love wounds

Love wounds

Gen
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini, Dazai Osamu (Bungou Stray Dogs)/Blaise Zabini
Tags
Idiots in Love Falling In Love Past Sexual Abuse Mentioned Mori Ougai (Bungou Stray Dogs)
When Blaise's hand slowly came towards his cheek, Dazai's brain screamed in reflex before he could think straight. At that moment, just as he was about to touch him, Dazai suddenly jumped up and bit Blaise's hand. Just like the dog he was. Or.... Sim...
No Alarms (And Some Surprises.)

No Alarms (And Some Surprises.)

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Other Character Tags to Be Added, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Fred Weasley, George Weasley, Blaise Zabini, Luna Lovegood, Dazai Osamu (Bungou Stray Dogs), Mori Ougai (Bungou Stray Dogs), Hirotsu Ryuurou (Bungou Stray Dogs),
Tags
Other Additional Tags to Be Added Dazai Osamu is a Mess (Bungou Stray Dogs) Dazai Osamu is Bad at Feelings (Bungou Stray Dogs) Pedophile Mori Ougai (Bungou Stray Dogs) Mori Ougai Shall Burn In Hell Dazai Osamu Is Fatherless I Swear A lot! Author Sucks At Writing.
It all started with a letter, One Dazai.. wasn’t very keen on writing..Or..Dazai’s third year at Hogwarts! Wait.. that doesn’t sound right..Or..Mori is a bitch and isn’t letting Dazai go back to Hogwarts again.Or..There’s actually an epic plot twist...
Buried in these memories

Buried in these memories

F/M
M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Original Characters, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Fred Weasley, George Weasley, Albus Dumbledore, Blaise Zabini, Nakahara Chuuya (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs), Rubeus Hagrid,
Tags
Smut Fluff Angst Religious Guilt Hurt/Comfort Self-Harm Implied/Referenced Child Abuse Christianity Out of Character Pedophilia Mental Health Issues BL
Roughly based off of the fanfic Magic and Mystery by Allegory_for_Hatred! I do hope you enjoy reading this!Violet Bellbottom's first year at Hogwarts, a school of witchcraft and wizardry-! ^_^This is a two-author written fanfic, so give some love to...
Double Black is Back

Double Black is Back

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Fred Weasley, George Weasley, Blaise Zabini, Nakahara Chuuya (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs), Pansy Parkinson, Dazai Osamu/Nakahara Chuuya (Bungou Stray Dogs), Ozaki Kouyou (Bungou Stray Dogs),
Tags
Slow Burn Pedophilia Soukoku | Double Black (Bungou Stray Dogs) Dazai Osamu Returns to the Port Mafia (Bungou Stray Dogs) Port Mafia Boss Dazai Osamu (Bungou Stray Dogs) Inspired by Magic and Mystery Series - Allegory_for_Hatred Dazai Osamu and Nakahara Chuuya Are Soulmates (Bungou Stray Dogs)
Dazai Osamu was with the port mafia until he was 18 and then joined the armed detective agency. Before all of that, he went to a magical school, Hogwarts. He had to learn to navigate through his time at Hogwarts. The summer before his third year, Chu...
The Most Beautiful of Ghosts

The Most Beautiful of Ghosts

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Fred Weasley, George Weasley, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Dazai Osamu & Mori Ougai (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini, Dazai Osamu (Bungou Stray Dogs) & Severus Snape, Dazai Osamu (Bungou Stray Dogs) & Hermione Granger
Tags
Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Suffering Dazai Osamu (Bungou Stray Dogs) Dazai Osamu is a Mess (Bungou Stray Dogs) Dazai Osamu Needs a Hug (Bungou Stray Dogs) Mentioned Mori Ougai (Bungou Stray Dogs) Dazai Osamu is Bad at Feelings (Bungou Stray Dogs) Mori Ougai Being an Asshole (Bungou Stray Dogs) Bad Person Mori Ougai (Bungou Stray Dogs) Good Blaise Zabini Good Severus Snape Protective Fred Weasley & George Weasley Protective Severus Snape
"Are you sure these will work, Mori?" Mori turned to Dazai with his usual slimy grin."Of course, Dazai-kun, don't worry about it." Or... During his third year at Hogwarts, Dazai is diagnosed with schizophrenia. Of course, Mori doesn't help much, and...
Across heavens and the earth, I will keep searching for you

Across heavens and the earth, I will keep searching for you

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Draco Malfoy, Blaise Zabini, Akutagawa Ryuunosuke (Bungou Stray Dogs), Nakahara Chuuya (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs), Edogawa Ranpo (Bungou Stray Dogs), Yosano Akiko (Bungou Stray Dogs), Kunikida Doppo (Bungou Stray Dogs), Fukuzawa Yukichi (Bungou Stray Dogs), Tanizaki Junichirou (Bungou Stray Dogs), Miyazawa Kenji (Bungou Stray Dogs), Mori Ougai (Bungou Stray Dogs),
Tags
Eating Disorders Crossovers & Fandom Fusions Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Alternate Universe - BEAST Light Novel (Bungou Stray Dogs) Port Mafia Boss Dazai Osamu (Bungou Stray Dogs) Inspired by Magic and Mystery Series - Allegory_for_Hatred Bungou Stray Dogs: BEAST Dazai Osamu ADA member Blaise Zabini Magic and Mystery X BSD Beast universe
Ever since Blaise joined the Armed Detective Agency, two years ago when he was twenty, his life had been very eventful. Looking for criminals, getting chased by men with guns and other things now belonged to his normal day to day life.Since all those...
Look of love

Look of love

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Fred Weasley, George Weasley, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Kunikida Doppo (Bungou Stray Dogs), Dazai Osamu/Kunikida Doppo (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini, Dazai Osamu (Bungou Stray Dogs) & Severus Snape,
Tags
Friends to Lovers Dazai Osamu is Whipped (Bungou Stray Dogs) what am i even doing? kunikidazai my love Pretty Dazai Osamu (Bungou Stray Dogs)
Just as Dazai was about to leave when something caught his attention.Since when is that blonde guy going to hogwarts?OrKunikidazai’s first meeting in hogwarts and how their relationship changes with time
Ikaw at ikaw

Ikaw at ikaw

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Yosano Akiko (Bungou Stray Dogs), Kunikida Doppo (Bungou Stray Dogs), Nakajima Atsushi (Bungou Stray Dogs), Armed Detective Agency Ensemble (Bungou Stray Dogs), Armed Detective Agency Ensemble & Dazai Osamu (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini, Dazai Osamu (Bungou Stray Dogs)/Blaise Zabini
Tags
Fluff i love them I Wrote This While Listening to Ricky Montgomery's Music There are not enough Blazai fanfiction
Dazai is dating someone (?) and the agency is ready to find out who
One Last Goodbye

One Last Goodbye

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Minerva McGonagall, Severus Snape, Ron Weasley, Hermione Granger, Fred Weasley, George Weasley, Albus Dumbledore, Blaise Zabini, Gilderoy Lockhart, Dazai Osamu (Bungou Stray Dogs), Pansy Parkinson, Ozaki Kouyou (Bungou Stray Dogs),
Tags
Crossover Crossover Pairings Inspired by Magic and Mystery Series - Allegory_for_Hatred
When Dazai one day betrays Mori's command of killing Hermione Mori takes action on this..
Red and Black

Red and Black

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Minerva McGonagall, Severus Snape, Draco Malfoy, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Draco Malfoy & Ron Weasley, Weasley Family (Harry Potter), Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini, Dazai Osamu (Bungou Stray Dogs) & Severus Snape, Dazai Osamu (Bungou Stray Dogs) & Draco Malfoy, Dazai Osamu (Bungou Stray Dogs) & Fred Weasley, Dazai Osamu (Bungou Stray Dogs) & George Weasley,
Tags
Self-Harm Implied/Referenced Self-Harm Implied/Referenced Child Abuse Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Dazai Osamu is a Mess (Bungou Stray Dogs) Dazai Osamu Needs a Hug (Bungou Stray Dogs) Eating Disorder Not Otherwise Specified
Work in progress of Magic and Mystery year three
The Yule Ball

The Yule Ball

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Fred Weasley, George Weasley, Albus Dumbledore, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Pansy Parkinson, Mori Ougai (Bungou Stray Dogs),
Tags
Alcohol Crushes Crossover Dating Inspired by Fanfiction Inspired by Magic and Mystery Series - Allegory_for_Hatred
When the Yule ball is now starting and for once Dazai cant predict what will happen meanwhile the Hell Hounds has a mini plan for him..
Exchanging letters

Exchanging letters

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Blaise Zabini, Nakahara Chuuya (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs), Dazai Osamu/Nakahara Chuuya (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini
Tags
How Do I Tag Established Dazai Osamu/Nakahara Chuuya (Bungou Stray Dogs) Letters Inspired by Magic and Mystery Series - Allegory_for_Hatred Mentioned Draco Malfoy Mentioned Pansy Parkinson slight relationship reveal there is very less of blaise
Summary:Dazai has to go back to hogwarts but doesn’t want to entirely loose contact with his new boyfriend, Chuuya, so he explains hogwarts (not really) to chuuya and they decide to exchange letters throughout the school year until Dazais next break....
M&M Brainrot :D (Magic and Mystery Oneshots)

M&M Brainrot :D (Magic and Mystery Oneshots)

Gen
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Hermione Granger, Neville Longbottom, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Filius Flitwick, Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini, Dazai Osamu (Bungou Stray Dogs)/Blaise Zabini
Tags
Fluff Hurt/Comfort oneshots Overstimulation Crossovers & Fandom Fusions slight angst Port Mafia Member Dazai Osamu (Bungou Stray Dogs) POV Blaise Zabini fanfic of a fanfic :3 thats how much this obsession has grown Blazai (can be seen as romantic and platonic)
i read Magic and Mystery. now i am obligated to write oneshots.Ch 1, Prompt: "Did I fall asleep on you?"Ch 2, Req: Autistic DazaiCh 3, Temporary hiatus notice (IM NO LONGER ON HIATUS)Ch 4, Prompt: "Watch me."Ch 5, Late night/morning study sesh
Magic Mushrooms

Magic Mushrooms

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Draco Malfoy, Fred Weasley, George Weasley, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Pansy Parkinson, No Romantic Relationship(s), Fred Weasley & George Weasley, Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini, Dazai Osamu (Bungou Stray Dogs) & Draco Malfoy, Dazai Osamu (Bungou Stray Dogs) & Fred Weasley, Dazai Osamu (Bungou Stray Dogs) & George Weasley,
Tags
Crack Implied/Referenced Suicide Suicide Attempt Chaos One Shot How Do I Tag Collaboration Drugs Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Dazai-Typical Suicide References (Bungou Stray Dogs) Dazai Osamu is a Little Shit (Bungou Stray Dogs) Blood Purity Prejudice & Pureblood Supremacy (Harry Potter)
Summary: Dazai finds and eats some strange mushrooms from the forbidden forest. He meets his gang and chaos ensues.Basically that one scene where Dazai gets high on mushrooms but it’s magic and mystery.
Blossoming Roses

Blossoming Roses

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Remus Lupin, Sirius Black, Peter Pettigrew, Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Lucius Malfoy, Ginny Weasley, Tom Riddle | Voldemort, Molly Weasley, Arthur Weasley,
Tags
Grooming Blood and Gore Implied/Referenced Suicide Self-Harm Implied/Referenced Child Abuse Dead Dove: Do Not Eat Character Development Hogwarts Denial of Feelings Crossovers & Fandom Fusions Hogwarts Third Year Inspired by Magic and Mystery Series - Allegory_for_Hatred
Dazai's third year at Hogwarts has finally come, and quite unexpectedly at that. A pang of relief blossomed in his chest once Mori informed him of the news, he hated it. Why must his traitorous heart beat for such trivial things? Nonetheless, beat at...
Dazai and the Hell's Hounds' silly groupchat! (MaM/Coil chatfic)

Dazai and the Hell's Hounds' silly groupchat! (MaM/Coil chatfic)

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Draco Malfoy, Ron Weasley, Hermione Granger, Ginny Weasley, Fred Weasley, George Weasley, Blaise Zabini, Luna Lovegood, Dazai Osamu (Bungou Stray Dogs), Pansy Parkinson, Percy Weasley, Mori Ougai (Bungou Stray Dogs),
Tags
Dazai and his gang have phones now! just a silly chatfic with our favorite gang maybe a little fluff/angst later? Dazai uses emoticons constantly Pansy doesn't hate Dazai as much but tolerates him The timeline is somewhere during Coil but before chapter 32 Don't have high expectations im just writing this for gits and shiggles Also if you're scared by the Mori tag dw it's nothing weird he just appears once for no reason Hogwarts modern AU?
In a modern AU, somewhere in the universe, our protagonist Dazai is laying on his bed in Yokohama, bored out of his mind.With school being out and Mori not giving him any new side quests like a damn NPC, Dazai is stuck not knowing what to do.He could...
Mafia Training

Mafia Training

Other
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Draco Malfoy, Ron Weasley, Hermione Granger, Fred Weasley, George Weasley, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Pansy Parkinson, Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini, Dazai Osamu (Bungou Stray Dogs) & Draco Malfoy, Dazai Osamu (Bungou Stray Dogs) & Fred Weasley, Dazai Osamu (Bungou Stray Dogs) & George Weasley,
Tags
Fluff Implied/Referenced Child Abuse Caring Dazai Osamu (Bungou Stray Dogs) idk what else to tag
Dazai's quick and nimble. He is physically and mentally prepared. He gets out of situations easier than the normal person, and barely bats an eye when he's in pain. The Hell's Hounds are very aware of these facts and they want to learn how to be more...
Consternation

Consternation

Other
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Remus Lupin, Severus Snape, Hermione Granger, Neville Longbottom, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini
Tags
Implied/Referenced Self-Harm Implied/Referenced Child Abuse Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Dazai Osamu Needs a Hug (Bungou Stray Dogs) Mentioned Mori Ougai (Bungou Stray Dogs) Protective Blaise Zabini Fanfiction of Fanfiction Boggarts (Harry Potter) Dehumanization Mentioned Oda Sakunosuke (Bungou Stray Dogs)
Dazai thought he knew terror. That was until he met a boggart.
Two Sides of the Same Coin

Two Sides of the Same Coin

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Draco Malfoy, Lucius Malfoy, Blaise Zabini, Nakahara Chuuya (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs), Pansy Parkinson, Dazai Osamu & Nakahara Chuuya (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini
Tags
Fluff I Wrote This Instead of Sleeping Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Dazai Osamu is a Little Shit (Bungou Stray Dogs) idk what else to tag Teenage Dazai Osamu/Nakahara Chuuya (Bungou Stray Dogs) Fanfiction of Fanfiction Teenage Nakahara Chuuya (Bungou Stray Dogs) Nakahara Chuuya is Bad at Feelings (Bungou Stray Dogs) Chuuya is in Denial blazoukoku
Chuuya has been Dazai's partner for a year and finally meets the famous Blaise.