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  • Heaven or Hell [Osomatsu-san x Reader]
    67.9K 2.6K 18

    An Osomatsu-san Fanfiction about the Devimega AU. If you don't know what that is, then go look it up, it's really good and the fanart is beautiful!~ The 'basics': •(y/n) - your name Yea that's all. Hope you enjoy~ Also please give me feedback so I can improve! (uㅅu❀)

    Completed  
  • (Discontinued)Troublemakers ( Nekomatsu x Reader)
    4.1K 157 5

    《DISCONTINUED》 (F/n) (L/n), A average 24-year old female who has a stable job as a cashier in Subataa Cafe. One rainy day, she discovers a box on an alleyway with six oddly colored cats inside of it. A reader-insert greatly influenced by Nekotalia by @AngelinaSmith590 in DeviantArt (You guys should read that- One of m...

  • Lost time memory - Suicide!Karamatsu AU [DISCONTINUED]
    10.7K 304 9

    this is my first story that I have ever made so if there is an error in the grammar or spelling then sorry because English is not my first language. Do beware that this fanfic is angsty and involves suicidal so if you're not into that kind of thing or if you are easily triggered, I recommend to not read this. Thank you

  • Is it wrong? - An OsoChoro Fanfic
    8.2K 291 17

    Osomatsu, being the oldest brother, has always stood as a form of leader amongst the sextuplets. After getting into a heated argument between Choromatsu, Oso starts to distance himself from his brothers. He goes missing not long after. A month passes and he's still no where to be found. Choromatsu is left feeling com...

    Mature
  • Karamatsu's Dying Inside!!!
    16.7K 580 9

    Jyushimatsu: "Hi, Karamatsu Nii-san, how you doing?" Karamatsu: Heh~! I'm doing just fine my little Jyushimatsu~! "PAINFUL!!!" Karamatsu:.... He lied...He's dying inside...

    Completed   Mature
  • Osomatsu-Niisan?
    13.5K 484 10

    Osomatsu goes to the horse track but never returns, later, a note is found at the sextuplets' door that will never be forgotten.

  • [DISCONTINUED] Hatred Is Such A Strong Word
    25.5K 932 10

    [DISCONTINUED] [Dropped out of the fandom a long time ago, sorry.] After times and times of abuse from his brothers, Karamatsu finally breaks and runs away from home which he never comes back to. After several weeks, Ichimatsu finds Karamatsu unconscious in the streets, dirty and badly wounded. Once Karamatsu is broug...

  • Gone Forever [Osochoro one-shot]
    1.1K 53 2

    Based off of Onaji Hanashi and episode 24. Contains: Depression and suicide in it.. and also feels. Have fun ;)

    Completed  
  • Beaten and Broken - Osomatsu-san
    2.7K 142 6

    *contains harsh language, graphic violence, and abuse* An AU where Tougou wasn't stopped when he tried to kidnap Osomatsu as a child and raises him to become his partner in crime. Based off of the chapter in Osomatsu-kun titled The Terrifying Lodger. I'd suggest reading that first so you know what's going on in this s...

    Mature
  • Karamatsu Who Locked Himself Inside a Dream
    796 11 2

    Karamatsu just wanted respect from his brothers. He couldn't take all the negativity he felt. Now its just him in his happy little dream

  • Taken Away(ON HIATUS)
    2.1K 121 2

    Karamatsu is being tortured by a spirit every night. And then it stops.

  • My 5 Split Brothers
    6.8K 309 8

    The Matsuno household, home of six neets and their parents. In reality, Matsuno Osomatsu, the only child of the Matsuno household, been diagnosised since childhood with Split Personality Disorder. The rest don't exist, only him.

  • Separated at Birth
    7.4K 364 5

    Osomatsu is a devil, Ichimatsu is a devil, Todomatsu is a demon, Choromatsu is a God, Jyushimatsu is a angel, & Karamatsu is a priest. By the title you can sorta guess well, they were separated at birth lol.

  • I'm Not Painful, I'm In Pain
    34.1K 1.2K 9

    Poor, poor, Karamatsu. Filled with angst(my specialty) and Karamatsu, drowning in his depression. Ahhh someone stop me from spiraling down into an angsty hell.

  • Bye Bye, Karamatsu
    3K 121 1

    UGH. FUCK. I'M SORRY. I REALLY JUST WANTED TO WRITE SOMETHING ANGSTY WITH KARA CAUSE HE IS MY BABY AND FUUUUUUUUUUCCCCCKKK. (fyi, there's some triggering stuff in here so please be careful.)

    Completed   Mature
  • I'll Be Alright!(ON HIATUS)
    14.6K 549 6

    Karamatsu is diagnosed with pulmonary embolism, a life-threatening disease found in the lungs. When his brothers find out, they stay beside him until the end.

  • Karamatsu's Sick Day: Prolouge
    16.7K 410 8

    One morning Kara didn't bother getting up, Osomatsu's the 1st one to notice that. So he goes to check on Karamatsu, but he doesn't like what he sees... (My 1st Osokara fanfic xD hope u enjoy it)

  • Days of a Neko
    3.8K 118 3

    Karamatsu woke up to having cat ears and tail. He was found out by Ichimatsu and now has to do whatever he says Bla bla bla well hope you like it

  • Hidden pain (ichikara)
    1.5K 60 5

    Karamatsu began cutting and getting into fight, no one knows, but one day Ichimatsu sees Karamatsu naked with all his bruises and cuts and scars. Yada yada I'm not good so spare me!!!!

  • ESP Kitty Gets His Powers Back?!
    6.1K 292 10

    Iyami was walking down the street, when his beady eyes have fallen onto a familiar cat. Thinking about getting rich off of it when its powers work and finally gets to go to France he takes it to Dekapan and does the procedure. Of course, the cat runs off to the sextuplets and encounters the second eldest in one of his...

    Mature
  • The Disappearance of Osomatsu-san
    115K 9K 168

    It would have been normal if Choromatsu's alarm clock, which was set to ring every five minutes, didn't blast his eardrums so early in the morning and awoke him from his slumber. And all it took for Osomatsu to realize something was definitely wrong was to simply glance at the alarm clock Choromatsu brought with his o...

    Completed  
  • Summer Nostalgia
    7.1K 391 15

    In a world where the concepts of races and discrimination are intensified, six different creatures' fates have been tied together. Friendship, love, hate, apathy, and betrayal: the creatures would learn about these things in the hard way. Would they just go with the flow of their separated lives and bind themselves wi...