1 - 20 of 70 Bookmarks by springblossombloom
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Dazai has a crush on his neighbor, but he would do anything in the world except ask him out.
Series
- Part 4 of dazatsu AUs
Bookmarked by springblossombloom
04 Nov 2025
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Atsushi has a crush. Dazai wants to help out.
Series
- Part 5 of dazatsu AUs
Bookmarked by springblossombloom
04 Nov 2025
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It's easier to talk when they're not looking into each other's eyes.
Series
- Part 3 of sskk fics
Bookmarked by springblossombloom
04 Nov 2025
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Summary
Akutagawa's attitude grows worse when he gets the hanahaki. Atsushi has had enough of it.
Series
- Part 1 of sskk fics
Bookmarked by springblossombloom
03 Nov 2025
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Summary
in which Atsushi's too shy to talk to the handsome prince, and Dazai interferes.
Series
- Part 7 of sskk fics
Bookmarked by springblossombloom
01 Nov 2025
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Summary
Dazai mistakenly assumes Atsushi is straight. Atsushi mistakenly assumes Dazai is smart. Drama ensues.
Written for dazatsu week 2025 prompt: hanahaki
Series
- Part 10 of dazatsu - canon & canon divergence
- Language:
- English
- Words:
- 8,425
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 23
- Kudos:
- 70
- Bookmarks:
- 12
- Hits:
- 587
Bookmarked by springblossombloom
31 Oct 2025
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Summary
in which Dazai thinks Atsushi deserves better.
dasatsu week 2017 day 1
prompt: ephemeral- Language:
- English
- Words:
- 2,157
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 15
- Kudos:
- 342
- Bookmarks:
- 47
- Hits:
- 3,309
Bookmarked by springblossombloom
30 Oct 2025
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Summary
Dazai, a human college professor, decided to write a dissertation on vampires with Atsushi as his research subject. Naturally, he is curious about the effects of vampire bites on humans, and wants to see for himself.
Posted for dazatsu halloween event 2023 day 1 / prompt: vampire
Updated for dazatsu week 2024 day 5 / prompt: dangerSeries
- Part 1 of dazatsu AUs
- Part 2 of dazatsu vampire AU
- Language:
- English
- Words:
- 6,263
- Chapters:
- 2/2
- Collections:
- 2
- Comments:
- 31
- Kudos:
- 266
- Bookmarks:
- 27
- Hits:
- 2,336
Bookmarked by springblossombloom
30 Oct 2025
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Summary
Dazai asks the waitresses to commit double suicide with him everyday. Irritated, Atsushi (accidentally) volunteers himself as tribute.
Posted for dazatsu week day 1: Coffee Shop AU
Series
- Part 8 of dazatsu AUs
- Language:
- English
- Words:
- 7,209
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 33
- Kudos:
- 229
- Bookmarks:
- 40
- Hits:
- 1,649
Bookmarked by springblossombloom
28 Oct 2025
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Summary
His face is flushed, his hands shake, and the whole world blurs together—only Dazai is clear. He wishes, he wishes Dazai wouldn't ever look away.
That's when Atsushi realizes it. He's in love with Dazai-san.
- Language:
- English
- Words:
- 6,768
- Chapters:
- 1/1
- Collections:
- 2
- Comments:
- 27
- Kudos:
- 1,092
- Bookmarks:
- 149
- Hits:
- 13,449
Bookmarked by springblossombloom
23 Oct 2025
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Summary
Dazai is intimately familiar with the sensation of drowning.
He cannot recall the number of times he has thrown himself in a river, breathed in water as though it were air, let it fill his lungs and numb his pain, and waited for death, only for it to inevitably pass him by, just as it always has.
He thinks falling in love with Atsushi is much the same.
---
In which Dazai has to make a decision, and all roads seem to lead to Atsushi.
Bookmarked by springblossombloom
22 Oct 2025
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Summary
“Oh, you must be my new roommate!” The man exclaimed, his movements wide and wild. “Come in, come in. I’m very excited to meet you!”
There was a tinge of bitterness in his tone, despite how expertly the man tried to cover it up. It was a sound Atsushi was familiar with, a feeling he could pick out effortlessly. Ignoring the way his chest constricted, Atsushi sent the man a small smile, gripping the rim of his moving cart and pushing it towards the door.
– – –
Atsushi knew he had terrible luck. All he wanted was a non-shady roommate, some good dreams for once, and more than two hours of sleep. Was that too much to ask for?
Bookmarked by springblossombloom
21 Oct 2025
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Summary
“To defeat one’s enemy, one must know the enemy.” The ‘obviously’ was left unsaid.
“How is knowing his hair smells like lavender shampoo going to help you defeat him?”/
Or Akutagawa knows to defeat Atsushi he has to learn everything about him and he's determined to do so. Though the Jinko's face turning red every time Akutagawa proves his superior knowledge is strange.
Bookmarked by springblossombloom
21 Oct 2025
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Summary
Atsushi is turned into a kitten while investigating mysterious disappearances in Yokohama. Scared and fading fast in his new fragile body, he's rescued by the last person he'd expect: Chuuya Nakahara.
Or: The one where Chuuya Nakahara rescues a tiny orphaned kitten and Atsushi tries his best to make sure he can still look him (and Dazai) in the eye after he returns to normal.
Series
- Part 1 of Beware The Cat AU
- Language:
- English
- Words:
- 44,580
- Chapters:
- 21/?
- Comments:
- 1,095
- Kudos:
- 2,583
- Bookmarks:
- 388
- Hits:
- 45,875
Bookmarked by springblossombloom
21 Oct 2025
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Summary
Atsushi is still half asleep, one hand holding his cellphone and the other rubbing tears from his eyes as he yawns, when he opens the Agency’s office door. But any last dregs of sleep are chased away by his skyrocketing heart rate when he realizes Kyouka and Yosano have blades drawn, Kenji is ready to throw the couch, and Kunikida’s gun is raised.
At him.
Before he can raise his hands to surrender, Dazai’s smooth voice calls out to him in a tone so icy Atsushi is certain has never been directed at him before, “To what do we owe the pleasure of a visit from the Port Mafia’s rabid tiger on this fine morning?”
Atsushi’s eyes flick to the open cell in his hand where he sees one unread text message from a contact named “Boss”: Ah, Atsushi-kun! If you would be so kind as to drop by my office at your earliest convenience, that would be much appreciated <3
Fukuzawa wouldn’t use such flowery language or a heart emoji. So who…? Wait. “Port Mafia’s rabid tiger”? This text couldn’t be from Mori, could it?
—
An ability causes Atsushi and Akutagawa to switch lives, but they are the only two people to remember their true allegiances.
- Language:
- English
- Words:
- 58,228
- Chapters:
- 16/16
- Comments:
- 159
- Kudos:
- 971
- Bookmarks:
- 183
- Hits:
- 14,657
Bookmarked by springblossombloom
17 Oct 2025
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Summary
It was a strange start to what one would call a relationship: They had yet to go on a date, yet to talk about their feelings.
One might ask how the hell had they gotten together then? The answer was simple.
Atsushi's eyes went to Ranpo, casually munching on his chips like he hadn't turned Atsushi's universe upside down and inside out two days ago, bless him.
Where Atsushi and Dazai get together in the stupidest way possible, go on a date, Atsushi struggles to drop the formalities and Dazai makes sure that he does.
Bookmarked by springblossombloom
12 Oct 2025
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Summary
“Of course I’m working.” With a sigh, Dazai closed the book and tucked it into his coat before pulling out his phone to check notifications. He decided to spend five minutes reading while he waited for an informant to get back to him about the Tanaka group’s investments. There were no messages yet, so, out of habit, Dazai navigated to instead check Nakajima's social media. “You know, I thought after all this time, you of all people would know how I go about my work, and hoLYSHIT-”
Chuuya’s annoyed posture instantly changed to alarmed at the brunet's sudden outburst. He was at Dazai's side at an instant, looking around for possible threats.
“What's wrong??”
“Chuuya…” Osamu slowly rose from his seat and turned his phone towards Nakahara, pointing his finger at the screen. “Nakajima just posted that HE'S RELEASING HIS NEW BOOK NEXT MONTH!”
Written for Dazatsu Week 2025 Day 6 - 'Book'
- Language:
- English
- Words:
- 9,908
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 43
- Kudos:
- 202
- Bookmarks:
- 33
- Hits:
- 925
Bookmarked by springblossombloom
11 Oct 2025
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Summary
Till always thought her relationship with Ivan was something she didn't have to question. While she could never tell what the other girl was thinking, she'd just chalked it up to Ivan being weird in her own way. They were childhood friends, there wasn't much else to say about it, not until now.
Or
It's just another normal study session turned sleepover, until it isn't.
Series
- Part 1 of My every day, my every night (with you)
- Language:
- English
- Words:
- 29,777
- Chapters:
- 4/4
- Collections:
- 1
- Comments:
- 39
- Kudos:
- 319
- Bookmarks:
- 53
- Hits:
- 5,210
Bookmarked by springblossombloom
09 Oct 2025
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Summary
When the last sock is tossed in the hamper, Atsushi turns—and almost collides with Dazai.
He’s standing right there. So close. His dark brown eyes shine with glee, whilst his grin turns sharp. Atsushi stumbles back a half step, heart hammering loud in his chest, threatening to break past the layer of bones and muscle and skin.
“What are you—”
Dazai cuts him off, lifting a finger like a professor about to announce a groundbreaking theory. “Secret lessons!”
Atsushi blinks. “What?”
“Secret lessons,” Dazai repeats, stepping closer until Atsushi’s back nearly brushes the desk. “If you’re that inexperienced, then I’ll teach you. Long story short, you’ll practice kissing me as if I'm one of your many, many admirers~”
The words sink in, and Atsushi’s face erupts in heat. “Y-you—WHAT?!”
(Or: Atsushi gets wrapped up in the suggestion of having secret lessons on kissing from his own senpai. Surely there'll be no consequences to kissing his eccentric, over the top senior, right?)
For Dazatsu week 2025 𝐃𝐚𝐲 𝟏 - 𝐒𝐞𝐜𝐫𝐞𝐭𝐬
- Language:
- English
- Words:
- 13,322
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 10
- Kudos:
- 129
- Bookmarks:
- 18
- Hits:
- 998
Bookmarked by springblossombloom
06 Oct 2025
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Summary
In a world where you cannot see your soulmate’s eye color, Dazai longs for someone with two hues he can see.
Series
- Part 2 of bleed into your senses
Bookmarked by springblossombloom
02 Oct 2025