1 - 20 of 50 Works in おそ松くん| Osomatsu-kun (Anime 1988)
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Mutually Assured Destruction by Ronik
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988), おそ松くん | Osomatsu-kun (Manga), おそ松くん| Osomatsu-kun (Anime 1966)
02 Jun 2025
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Summary
If every day feels like an inevitable countdown to some new, unforeseen catastrophe, don't worry:
It's true, and it's just how life works.
[⁕This work focuses both on Chorooso and Jyushiichi at the same time]
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Pesadilla by sumeragi00
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988), おそ松くん | Osomatsu-kun (Manga), おそ松さんのへそくりウォーズ | Osomatsu-san no Hesokuri Wars (Video Game)
23 May 2025
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Osomatsu, el hijo mayor de la familia Matsuno, es atormentado por una serie de sueños que inquietan su entrono. Sin embargo, se dará cuenta que estos son más que sólo sueños y malos presentimientos demasiado tarde.
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You're better when quiet by Problematic_Loser
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988)
15 Mar 2025
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Summary
Osomatsu likes it when Karamatsu doesn't talk.
That's why getting him to suck him off is one of his favourite hobbies!
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Obsessive behaviour is my life rn...
Might write something different soon...! (Probably not, I love writing these two.)Series
- Part 7 of Nym's fanfics
- Part 6 of Obsessive behaviour
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An eye for an eye by Problematic_Loser
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988)
13 Mar 2025
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Summary
Obsessive behaviour Kara and original Kara swap
Let's just say that their originals don't like ONE of them too much!
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I thought of his randomly lol, I am obsessed with my au...!Series
- Part 6 of Nym's fanfics
- Part 5 of Obsessive behaviour
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Your own fault by Problematic_Loser
Fandoms: おそ松くん| Osomatsu-kun (Anime 1988), おそ松さん | Osomatsu-san (Anime)
12 Mar 2025
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Summary
Karamatsu should've known better than to disobey his elder brother.
It's his own fault he's in a cast.
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I am speeding out these parts lolSeries
- Part 5 of Nym's fanfics
- Part 2 of Obsessive behaviour
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Embarrassing by Problematic_Loser
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988)
12 Mar 2025
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Summary
Karamatsu can't get off normally anymore.
He hates it.
He feels ruined.Osomatsu ruined him.
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Another one for this seriesss heheSeries
- Part 4 of Nym's fanfics
- Part 4 of Obsessive behaviour
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And with that, an obsession began by Problematic_Loser
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988)
11 Mar 2025
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Summary
Osomatsu wants Karamatsu to be his and do what only he says...
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This is a prequel to my previous fic
"Wasn't there a better way to do this?"Series
- Part 1 of Obsessive behaviour
- Part 3 of Nym's fanfics
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Wasn't there a better way to do this? by Problematic_Loser
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988)
11 Mar 2025
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Summary
Osomatsu finds Karamatsu to be the easiest of his brothers to exploit.
He's seen him like that since they were young children, and that's when his obsession with his younger brother probably originally started.
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Warning;
This fic contains VERY dark themes which may cause some people to feel very uncomfortable.
Please read the tags properly before continuing!Series
- Part 2 of Nym's fanfics
- Part 3 of Obsessive behaviour
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Summary
Second person Iyami/Reader fanfic. The protagonist is quite self-insert, but I try to dissimulate. You are a culinary student that travels to the Akatsuka district in Tokyo thanks to a scholarship. One day, when returning home, you find a strange man rummaging through the trash, and you decide to give him some food. From then on, an uncommon romance begins.
- Language:
- English
- Words:
- 3,282
- Chapters:
- 4/?
- Hits:
- 18
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The old ink on our skin is just our secret by Babs_Gray
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988)
27 Dec 2024
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Summary
“Hey, Karamatsu-nii-san.” Ichimatsu grabbed the magazine and crossed the room to his brother. Karamatsu looked at him with curiosity through the mirror. Ichimatsu wrapped one arm around his older brother’s shoulders, while showing him the magazine through the mirror with the other. A huge smile spread across his lips. “Get a tattoo. That way, you’ll look like a ‘cool guy,’” Ichimatsu proposed with excitement.
I love stories that have to do with tattoos
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Born Unsaveable by ConnivingTofu
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん | Osomatsu-kun (Manga), おそ松くん| Osomatsu-kun (Anime 1988), おそ松くん| Osomatsu-kun (Anime 1966)
13 Sep 2024
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Summary
In which Osomatsu ponders not for the first time if he was born this unsaveable or if it was one of the many self-made tragedies he grew into.
He’s not the only one.
(In which each of our favorite sextuplets commits suicide.)
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A bad adult by Sally0999 (orphan_account)
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988), おそ松くん| Osomatsu-kun (Anime 1966), おそ松くん | Osomatsu-kun (Manga)
08 May 2024
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Summary
What if osomatsu was robbed of his innocence and tries to numb it?
The sextuplets unlocks a way of being more of a scumbag they have ever been.
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Relatos de un Futuro Incierto by Enthriex
Fandoms: おそ松さん | Osomatsu-san (Anime), m: おそ松くん| Osomatsu-kun (Anime 1988)
09 Apr 2024
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Summary
Osomatsu considera crecer junto a sus hermanos como su todo. Karamatsu quisiera poder olvidar. Ichimatsu se pregunta si habría podido cambiar algo. Choromatsu no parece entender lo que sucede. Jyushimatsu se pregunta cuándo fue que las cosas se salieron de control, mientras que Todomatsu desearía poder despertar y ver que todo fue una pesadilla.
Entre risas y llanto, los hermanos intentan sobrellevar su infancia en formas que jamás imaginaron.
(Todos los matsus son importantes. No hay OCs, son pjs del manga.)
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Two Yellow Suns by orphan_account
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988)
18 Feb 2024
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Summary
A regular day for the NEETS, just sitting in the main room is also a regular day for the kids, sitting in their room before going outside to play. Though the kids see something that is unexpected, the NEETS hear unexpected.
- Language:
- English
- Words:
- 307
- Chapters:
- 1/1
- Kudos:
- 3
- Hits:
- 94
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Abduction by StoriesOfUknown
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988), おそ松くん | Osomatsu-kun (Manga)
16 Feb 2024
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Summary
A boy frolicked with others just like him. Six brothers with the same ages, shared, same clothes and same faces. Their mother watches on the porch from the back door with glee as she watches them play, while her husband’s works hard all day. She is a house wife who loves her job for just taking care of the family. However she was met with a conflict to overcome, as a rhythmatic sound echoed from the front door.
The boys were unbothered by their mother’s departure, as they continued to jump leap frogs, all by the eldest brother’s request. None could have anticipated an overcast, a shadow? That dulled their play.
The mother returns with haste to proceed with her supervision. However, upon returning, the backyard lacked life, laughs or movement.
The boys
are playing a permanent game of hide- and-seek
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ill be here for you by xoxOphelpusxox (orphan_account)
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん| Osomatsu-kun (Anime 1988)
11 Feb 2024
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Summary
(this is also unfinished)
this is a re write of my old work (what?**the title**)
basically this is about the Matsuno brothers going solo after choromatsu gets a job after their parents died and others also gets a job, but the sextuplets feeling empty, others get sucked into a void of emptiness in their heart. Some of them tries to kills themselves but after talking to their brother, He realizes that he has to live for his brothers.- Language:
- English
- Words:
- 244
- Chapters:
- 1/?
- Kudos:
- 1
- Hits:
- 35
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I'd rather sleep than stay awake by Problematic_Loser
Fandoms: おそ松くん| Osomatsu-kun (Anime 1988)
05 Feb 2024
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Summary
Set during Episode Eight of Osomatsu-kun 1988; "Transformation! Chibita's amazing hat!"
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After discovering the secret behind Chibita's sudden good behaviour, Osomatsu decides to do something other than use him to prank his brothers.
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Or;
Osomatsu s/a's Chibita.
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READ THE TAGS FIRST PLEASE!If this stuff triggers you, PLEASE just do not read it! Everybody in this story are fictional, so there is no real harm to anybody.
Series
- Part 1 of Nym's fanfics
- Language:
- English
- Words:
- 1,646
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 175
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The Illegal Hero, Osomatsu-San by NovaCharles, RKmatsu
Fandoms: おそ松さん | Osomatsu-san (Anime), 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, おそ松くん| Osomatsu-kun (Anime 1988)
08 Jan 2024
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Summary
To be one of the few people in Japan to be born with a Special is a blessing and a curse: the ability to fight crime or to have a power to make life easier is cool but to be targeted by criminals out for you is a curse. The Akatsuka Ward is one of the many areas filled with such people, making it more susceptible to such danger than other wards.
The Matsuno siblings are among the few people who have such power, but most would rather have normal lives as civilians while keeping their Specials a secret to many. However, when all 6 find their individual lives in danger by the Black Factory, an organization long thought to be gone, it's all up to them to become vigilantes to stop them but what starts off as a simple mission to protect the things and people each one cares about as they figure out what plans the Black Factory have in store, evolves to something more complicated and greater than they can anticipate as new enemies and friends are made. After all, hiding your vigilantism, identity and all, from the public is easier said than done.
Discord server: The Illegal Server
*Chapter 24: Writing in Progress*
Series
- Part 1 of The Illegal Hero, Osomatsu-San
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Run off by AlexGalva98
Fandoms: おそ松さん | Osomatsu-san (Anime), おそ松くん | Osomatsu-kun (Manga), おそ松くん| Osomatsu-kun (Anime 1988)
03 Jan 2024
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Summary
Sometimes Osomatsu hid to cry
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The adventures of: Itchimatsu, Todomatsu & Jyushimatsu Matsunos! by orphan_account
Fandoms: おそ松くん| Osomatsu-kun (Anime 1988)
25 Jul 2023
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Summary
I actually don't know I'll update the summary when I'm done the short fic lol.
I might extend it.