1 - 20 of 73 Works by lostdandelion
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No one suspects a thing. He’s sure of it. Not a single flower petal has been seen, not a single cough overheard. It takes a careful strategy to move around Atsushi’s daily schedule—to be close enough not to seem distant, but far enough not to arouse suspicion—but Dazai mastered that delicate balance. He almost wishes he could brag about it, if only it didn’t defeat the purpose entirely.
All of this effort, all of this work, just so Atsushi will never know that—
The door to the bathroom stall slams open.
Dazai freezes.
“Ah, Dazai-san! Lock it next time!”
Just as quickly, the door swings shut again. The silence that follows is deafening.
Dazai looks down at his hands. Crimson petals cling wetly to his palms, blood seeping between his fingers.
…Well, shit.
for dazatsu week 2025 day 4 - hanahaki
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brighter, louder by lostdandelion
Fandoms: 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Manga), 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Anime)
09 Sep 2025
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The skater stood up and stepped in close—too close. Sherlock noted how they were almost the same height. He smelled of sweat and something flowery. It was strangely intoxicating.
“Let’s make a deal,” he said smoothly. “You won’t tell anyone I was here. In exchange, I won’t tell your team physician about the emotional support pack of cigarettes in your pocket that you refuse to throw away. What do you say?”
Sherlock’s lips twitched. Oh, he’s good. Definitely more than just a pretty face. He threw his head back and laughed. “You’re incredible. I really like you.”
Opposites attract, on and off the ice.
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why are you never real? by lostdandelion
Fandoms: 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Manga)
22 May 2025
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But some nights, the darkest ones that don’t seem to have an end in sight, only seeing him can lighten the burden.
Will it help? Or only drag him further down?
The moment a needle bites into his arm, the answer doesn’t matter anymore.
William James Moriarty is dead. Sherlock has a hard time letting go.
for yuumori angst week 2025 day 4 - hallucinations/depression
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roses are red, violets are blue by lostdandelion
Fandoms: 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Manga)
21 May 2025
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William doesn’t even notice when it starts.
One day, Sherlock coughs. Once. Then again.
“Must’ve caught somethin’,” he says lightly. “Case took us down by the river and Billy thought it wise to wade in after the suspect. Bloody freezing, it was. Can you believe the stuff he makes me do?”
How could William possibly know something’s wrong? It’s only a cough. A perfectly natural thing.
William is trapped in a coma, but can hear everything around him. When Sherlock begins to be plagued by a mysterious cough, William can do nothing but listen, powerless to help the person who has never given up on him.
for yuumori angst week day 3 - hanahaki
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one day you'll be gone by lostdandelion
Fandoms: 穏やか貴族の休暇のすすめ | Odayaka Kizoku no Kyuuka no Susume | A Gentle Noble's Vacation Recommendation (Manga)
12 May 2025
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Summary
“You’re quiet.”
“Isn’t this how I usually am?”
Lizel sent him a knowing glance. There was something bittersweet in the curve of his smile that told Gil he knew what this was about, despite Gil’s weak attempt at deflection.
Because of course he did.
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He was on the verge of dozing off when the dungeon door creaked open. Someone was coming.
Oh, he thought as an unfamiliar figure clad in a black coat descended the stairs. Unlike Akutagawa’s, this coat had a collar adorned with soft, white fur. Interesting.
Dazai gets himself captured by the Port Mafia in order to gather information on the bounty for Nakahara Chuuya, the newest recruit of the Agency. If he also manages to gather intel about the new powerful and enigmatic mafia member, he’ll kill two birds with one stone.
for dazatsu day - prompt: different first meeting
Series
- Part 4 of author's personal bsd favorites
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stay by lostdandelion
Fandoms: 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Manga), 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Anime)
01 Apr 2025
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William pushed himself upright, releasing Sherlock’s pillow from his tight grip. “You’re back early. I… uh.” His eyes darted away. “There’s an explanation for this.”
The faint flush that crept up his neck was visible even in the dark.
Sherlock bit back a laugh, though the smile that spread across his face was beyond his control. “Really?” He took a slow step closer to the bed. “Enlighten me then, Professor.”
Sherlock returns from a mission to find his bed already occupied.
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love isn't rescue, it's someone to lose by lostdandelion
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs
20 Mar 2025
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He slips under the blankets beside Dazai and Dazai curls around him instantly, wrapping his arms around Atsushi like a vine.
Atsushi chuckles softly. “You’ll get cold if you stick to me like that.”
Dazai makes a sleepy noise of disagreement, burrowing closer. “I won’t,” he mumbles.
“If you say so,” Atsushi replies, feeling a sudden wave of emotion rise in his chest. The warmth of Dazai’s body grounds him. Tears prick at his eyes and he tightens his arms around Dazai, holding him closer.
What has he ever done to deserve this?
Atsushi's life as a stay-at-home vampire boyfriend is threatened when his past comes back to haunt him. Luckily, he's no longer fighting alone.
Series
- Part 2 of bloody mary
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Summary
”Oh, don’t be so dramatic. Why do you care? This world is just a lie. But I did it all for you. And for Odasaku. He’s alive here. Shouldn’t that make you happy? At least one reality exists where he survives. The only one. You’ve seen them all too, since you’re here.”
“I never asked for this.”
“You didn’t have to. I’m selfless like that. Or maybe not, since I am you. Would that make me an egoist instead?”
Main timeline Dazai meets a fractured reflection of his own self from the BEAST universe.
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it feels real to me now (it felt real to me then) by lostdandelion
Fandoms: 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Manga), 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Anime)
20 Feb 2025
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But there was something in William’s expression—a cautiousness, a distance—that sent a ripple of unease through Sherlock’s relief. His brows knitted together as he studied Sherlock’s face, as if searching for something he couldn’t quite place.
Then came the words Sherlock would have never anticipated, not in a thousand lifetimes.
“Who are you?”
After the fall, William wakes up in an unfamiliar city with no memories of his past life as the Lord of Crime.
Meanwhile, Sherlock struggles with the fear that once William remembers everything, he’ll choose to leave again.
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Why, of all people, was Atsushi the one sitting in this cafe across from the most popular guy on campus on Valentine’s Day?
He also wished he knew.
Series
- Part 9 of dazatsu shorts
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I’m real in your arms (that’s enough for right now) by lostdandelion
Fandoms: 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Manga), 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Anime)
30 Jan 2025
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Summary
Conversations picked up as Albert’s secret dessert disappeared from plates, giving William a perfect opportunity to act.
He rose from his seat.
“It’s getting late,” he announced, cutting through the chatter. “I’ll start on the dishes.”
A chorus of protests followed immediately.
“Brother, that’s not necessary—” Louis’ voice rang out above the others.
“It’s fine.” William turned, casting a deliberate look at the other side of the room. “Sherlock will help me. Won’t you, Sherly?”
William and Sherlock find a way to spend a quiet moment alone after the dinner party.
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the final question by lostdandelion
Fandoms: 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Manga), 憂国のモリアーティ | Yuukoku no Moriarty | Moriarty the Patriot (Anime)
17 Dec 2024
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Summary
William’s hand hovered over the doorknob, but he didn’t turn it. Instead, he spoke one last time, his voice low and distant. “The past has nothing to do with the future we should continue moving towards. Perhaps that’s why.”
Something about the emotionless detachment in William’s voice made Sherlock’s blood boil. Or maybe it was the finality of this moment, the goodbye woven in between William’s words.
Sherlock grit his teeth. “Bullshit.”
Sherlock doesn’t let William leave without getting some answers first.
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Summary
“Bite me.”
Atsushi’s body stiffens instantly, freezing against him as if Dazai’s words shattered whatever spell he was under. For a moment, the world stands still.
“What?” Atsushi's voice is barely above a whisper, but there's an edge of shock to it, a disbelief. Dazai lets out an impatient noise, something between a sigh and a growl.
“Bite me,” he repeats, more insistently this time, trying to will Atsushi back into motion. He reaches out, fingers curling around Atsushi’s shirt, attempting to pull him closer to his neck again. “It’s fine. I want you to.”
Dazai visits a club popular among vampires, thinking that being killed by one could be an interesting way to die. There he encounters Atsushi, a newly turned vampire who stubbornly refuses to grant his wish.
Series
- Part 1 of bloody mary
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Summary
“You poor thing,” Fyodor murmured, brushing his fingers along the boy’s cold, dirt-smeared cheek. He moved his hand over the boy’s lips to check for any sign of life and a faint, fragile breath brushed his skin.
Just barely alive. He wouldn’t last much longer if Fyodor hadn’t found him.
Fyodor hummed a low, thoughtful sound. “Your owner abandoned you and look at you now. How foolish of him to leave you all alone. But don’t worry—I’ll take care of you.”
Fyodor’s quest to obtain the Book leads him to the White Reaper who disappeared after the death of the Port Mafia Boss. What he doesn’t expect is to find a soul with a struggle so similar to his own.
Series
- Part 7 of author's personal bsd favorites
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Summary
His mouth opens before his mind has a chance to catch up, and a question spills out.
“Why didn’t you ever get a girlfriend?”
Atsushi stops talking mid-sentence. He raises an eyebrow at Dazai, visibly confused.
“…Or a boyfriend, of course,” Dazai adds, uncertainly. “I’m not one to judge.”
Four years into the future, Dazai has found comfort in the life he’s built for himself, with his bond with Atsushi at the heart of it. When the thought of Atsushi falling in love with someone crosses his mind, he’s haunted by the possibility of losing the person he holds most dear.
for dazatsu week 2024 day 7 - post-canon
Series
- Part 7 of dazatsu week 2024
- Part 6 of author's personal bsd favorites
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Summary
In an instant, Atsushi’s world flipped upside down. Before he could process what was happening, he found himself pinned to the floor, with Dazai looming above him with a seriousness in his eyes that Atsushi didn’t see often. Both of Dazai’s hands were planted firmly on the floor beside Atsushi’s head, his breath slightly ragged.
“Sorry, I didn’t mean to—” Atsushi began, his face flushed with embarrassment.
“Shh,” Dazai cut him off. His eyes flicked toward the door, narrowing as if he could see something beyond it. “We’re not alone.”
Stranded in a mysterious small town while investigating a case, Atsushi and Dazai find themselves forced to share a room with only one futon. As night falls, they begin to realize there’s something unsettling happening in the local ryokan they're staying in.
for dazatsu week 2024 day 6 - only one bed
Series
- Part 6 of dazatsu week 2024
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all about you, with or without you by lostdandelion
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs
23 Aug 2024
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After a mission leaves Atsushi in a coma, Dazai is forced to confront his feelings towards him. Is Atsushi crucial to his plans, or is there something more behind his concern for the boy?
for dazatsu week 2024 day 5 - BEAST AU & danger
Series
- Part 5 of dazatsu week 2024
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Summary
As Atsushi begins to pull his hand away, Dazai lets out a soft, disgruntled noise and catches his wrist, pressing Atsushi’s hand to his cheek.
“Dazai-san?” Atsushi whispers.
“I’m cold,” Dazai murmurs, his voice barely audible under the blankets.
Atsushi’s heart clenches. “I brought curry. And tea. They’ll help warm you up.”
But Dazai doesn’t seem to hear him. He nuzzles closer into Atsushi’s hand, his eyes still closed, his voice drowsy and distant. “Atsushi-kun is warm.”
Dazai is sick. Atsushi is warm. The situation spirals out of control too quickly for Atsushi’s liking.
for dazatsu week 2024 day 4 - roommates AU & sickfic
Series
- Part 4 of dazatsu week 2024
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Summary
“Who are you?” Atsushi asks.
This is Dazai’s chance to fix what he’s done.
for dazatsu week 2024 day 3 - amnesia & ficwip discord's drabble prompt: a well-meaning lie
Series
- Part 3 of dazatsu week 2024