Dazai Osamu & Mori Ougai (Bungou Stray Dogs) FanFiction

O Children (Lost Secrets)

O Children (Lost Secrets)

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
Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Molly Weasley, Albus Dumbledore, Dazai Osamu (Bungou Stray Dogs), Mori Ougai (Bungou Stray Dogs), Weasley Family (Harry Potter), Dazai Osamu & Mori Ougai (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Severus Snape, Dazai Osamu (Bungou Stray Dogs) & Draco Malfoy,
Tags
No beta we die like Odasaku I HAVE NOT READ MAGIC AND MYSTERY tags will be added as the story progresses no beta we die like Hedwig
Dazai Osamu is sent to Hogwarts[Formerly— Lost Secrets (I could never speak)]If you have not read the tags, I HAVE NOT READ MAGIC AND MYSTERY, nor do I plan to until I am done writing this. Any similarities between the stories are accidental. All I k...
ONANIST

ONANIST

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
文豪ストレイドッグス | Bungou Stray Dogs
Characters
Akutagawa Ryuunosuke (Bungou Stray Dogs), Akutagawa Gin, Nakahara Chuuya (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs), Nikolai Gogol (Bungou Stray Dogs), Sigma (Bungou Stray Dogs), Fyodor Dostoyevsky (Bungou Stray Dogs), Edogawa Ranpo (Bungou Stray Dogs), Yosano Akiko (Bungou Stray Dogs), Fukuzawa Yukichi (Bungou Stray Dogs), Nakajima Atsushi (Bungou Stray Dogs), Tanizaki Junichirou (Bungou Stray Dogs),
Tags
Alternate Universe - Modern Setting Hurt/Comfort Self-Harm Suicide Attempt Fluff and Angst Gay Sex Drug Addiction Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Dazai Osamu Needs a Hug (Bungou Stray Dogs) Mori Ougai Being an Asshole (Bungou Stray Dogs) Bottom Dazai Osamu (Bungou Stray Dogs) Top Nakahara Chuuya (Bungou Stray Dogs)
Dazai Osamu escaped the toxic modelling company The Port Mafia (TPC) after his dearest friend died by the hands of none other than Mori Ougai. Left alone and sick he was saved by a professional orphan collector, Fukuzawa Yukichi and become a member o...
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...
Unique Driver's Ed

Unique Driver's Ed

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
Ron Weasley, Fred Weasley, George Weasley, Dazai Osamu (Bungou Stray Dogs), Percy Weasley, Mori Ougai (Bungou Stray Dogs), Dazai Osamu & Mori Ougai (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Fred Weasley, Dazai Osamu (Bungou Stray Dogs) & George Weasley, Dazai Osamu (Bungou Stray Dogs) & Ron Weasley
Tags
Implied/Referenced Self-Harm Non-Consensual Drug Use Child Abuse Fluff and Hurt/Comfort Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Dazai Osamu Needs a Hug (Bungou Stray Dogs) Bad Person Mori Ougai (Bungou Stray Dogs) Pedophile Mori Ougai (Bungou Stray Dogs) idk what else to tag Medical Experimentation Panic Attack Medical Torture
The gang hasn't heard from Dazai in a while and everyone is worried. Fred and George take it upon themselves to go check on him.OR Dazai “forgets” to send a few letters and the twins commit a few crimes to get to him.
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...
The boy who lived (even though he didn't want to) (hiatus)

The boy who lived (even though he didn't want to) (hiatus)

F/M
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
Harry Potter, Port Mafia Ensemble (Bungou Stray Dogs), Nakahara Chuuya (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs), Dazai Osamu/Nakahara Chuuya (Bungou Stray Dogs), Mori Ougai (Bungou Stray Dogs), Hirotsu Ryuurou (Bungou Stray Dogs), Dazai Osamu & Mori Ougai (Bungou Stray Dogs), Arthur Rimbaud (Bungou Stray Dogs), The Sheep Ensemble (Bungou Stray Dogs)
Tags
Angst Other Additional Tags to Be Added Angst with a Happy Ending Light Angst Happy Ending Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Teenage Dazai Osamu/Nakahara Chuuya (Bungou Stray Dogs) tags will be updated as story continues Can't have any spoilers right? It's BSD it would be more surprising without angst 15 arc mentioned briefly
This is the story of the boy who lived, but this one is from Yokohama, Japan, and he didn't want to live. This is the story of how plans get messed up, but the ending stays the same. This is the story of how people change and grow, and find happiness...
Gods & Dogs

Gods & Dogs

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
Severus Snape, Albus Dumbledore, Dazai Osamu (Bungou Stray Dogs), Mori Ougai (Bungou Stray Dogs), Elise (Bungou Stray Dogs), Dazai Osamu & Mori Ougai (Bungou Stray Dogs)
Tags
Implied/Referenced Sexual Assault Dazai-Typical Suicide Mentions (Bungou Stray Dogs) Dazai-Typical Suicide References (Bungou Stray Dogs) Creepy Mori Ougai (Bungou Stray Dogs) Pedophile Mori Ougai (Bungou Stray Dogs) Mentioned Elise (Bungou Stray Dogs) fanfic of a fanfic POV Dazai Osamu (Bungou Stray Dogs) Partially Blind Dazai Osamu (Bungou Stray Dogs)
When Mori tells Dazai to start researching a wizard community across the globe, Dazai thinks he's insane. Like, really; an entire society of traditional, robe and wand-bearing wizards hiding and practicing magic like in the movies? Bullshit.At least,...
Through The Veil

Through The Veil

F/M
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
Harry Potter, Other Relationship Tags to Be Added, Sirius Black, Minerva McGonagall, Severus Snape, Ron Weasley, Hermione Granger, Ginny Weasley, Fred Weasley, George Weasley, Albus Dumbledore, Blaise Zabini,
Tags
Angst Depression Suicidal Thoughts Heavy Angst Character Death Hurt/Comfort Self-Harm Implied/Referenced Child Abuse Manipulation Trauma Harry Potter Needs a Hug Port Mafia (Bungou Stray Dogs)
Dazai really doesn't know what he did in a past life to deserve this, maybe it had more to do with what he was doing in this life, but getting sent on a mission across the world hadn't been on his bucket list. With his magical powers growing dangerou...
Make me (think of dying)

Make me (think of dying)

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, Dazai Osamu (Bungou Stray Dogs), Dazai Osamu & Mori Ougai (Bungou Stray Dogs)
Tags
Blood and Injury Blood Implied/Referenced Suicide Self-Harm Suicide Attempt No beta reader Mentioned Mori Ougai (Bungou Stray Dogs) Mentioned Poppy Pomfrey
Dazai Osamu has been many things, but 'human' might just not be one of them.- - -Y'all, I have no idea what to write here. It's a short one-shot of M&M/Coil Dazai committing. Beware of the (very few) tags.English is not my native language, I have...
Heart to Heart...COMPLETED!!

Heart to Heart...COMPLETED!!

M/M
Multi
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Ron Weasley, Hermione Granger, Fred Weasley, George Weasley, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Mori Ougai (Bungou Stray Dogs), Dazai Osamu & Mori Ougai (Bungou Stray Dogs), Fred Weasley & George Weasley, Dazai Osamu (Bungou Stray Dogs)/Blaise Zabini, Dazai Osamu (Bungou Stray Dogs) & Draco Malfoy, Dazai Osamu (Bungou Stray Dogs)/Draco Malfoy,
Tags
Bisexual Male Character Mild Gore
Dazai comes back to Hogwarts after winter break. And the gang is concerned for himOrThe gang fuss over Dazai's new injuries+ A suprise...
Magic and Is He Ok???

Magic and Is He Ok???

Gen
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Severus Snape, Draco Malfoy, Blaise Zabini, Dazai Osamu (Bungou Stray Dogs), Dazai Osamu & Mori Ougai (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Blaise Zabini, Hogwarts Professors - Character, Dazai Osamu (Bungou Stray Dogs) & Severus Snape
Tags
Angst Implied/Referenced Child Abuse Abuse Child Abuse Slow To Update Bad Person Mori Ougai (Bungou Stray Dogs) Warning: Mori Ougai (Bungou Stray Dogs)
After Dazai leaves Hogwarts in the first book, Magic and Mystery, Blaise and Draco find some of Mori's letters and realize Dazai isn’t coming back for a second yearOrA multichapter fic of them realizing Dazai is not returning and he's not in a safe p...
Osamu Dazai and the not so magic stone

Osamu Dazai and the not so magic stone

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
Characters
Harry Potter, Hermione Granger, Dazai Osamu (Bungou Stray Dogs), Mori Ougai (Bungou Stray Dogs), Weasley Family (Harry Potter), Dazai Osamu & Mori Ougai (Bungou Stray Dogs), Dazai Osamu (Bungou Stray Dogs) & Severus Snape
Tags
Other Additional Tags to Be Added No Romance Dazai-Typical Suicide References (Bungou Stray Dogs) Dazai Osamu Needs a Hug (Bungou Stray Dogs) Mentor Severus Snape
guess