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1. Thinking Out Loud by RGCO413

   Fandoms: おそ松さん | Osomatsu-san (Anime)  

   • Teen And Up Audiences
   • No Archive Warnings Apply
   • Gen
   • Complete Work

   24 Feb 2026

   Tags

   • No Archive Warnings Apply
   • Matsuno Osomatsu & Matsuno Todomatsu
   • Matsuno Karamatsu & Matsuno Osomatsu
   • Matsuno Choromatsu & Matsuno Osomatsu
   • Matsuno Jyushimatsu & Matsuno Todomatsu
   • Matsuno Osomatsu & Matsuno Sextuplets
   • Matsuno Osomatsu
   • Matsuno Todomatsu
   • Matsuno Karamatsu
   • Matsuno Choromatsu
   • Matsuno Jyushimatsu
   • Matsuno Ichimatsu
   • Dekapan (Osomatsu)
   • Benimatsu
   • Suirikumatsu
   • for now
   • Fluff
   • with a question mark
   • Self-Indulgent
   • like all my fics
   • Brotherly Love
   • Angst
   • ESP powers
   • Will add tags as I go
   • Osomatsu angst
   • obviously
   • Todomatsu POV
   • but it's 3rd person generally
   • it's been a while sorry if they're OOC
   • and sorry if it sucks I beta-d myself
   • Good brother Matsuno Todomatsu
   • Good brother Matsuno Choromatsu
   • Good Brother Matsuno Karamatsu
   • I wanted a lil
   • sassy kara
   • Dekapan is mentioned like a lot
   • dunno if he'll actually make an appearance though
   • It's T & Up mostly for the
   • Swearing
   • and possibly some
   • Nightmares
   • the tags are gonna keep changing so have fun keeping up lol
   • Good Brother Matsuno Jyushimatsu
   • Good Brother Matsuno Ichimatsu
   • yes they're officially there now yay
   • so is Chibita actually
   • But he's doesn't have a big enough role to be a character. YET.
   • I JUST FIGURED OUT HOW TO DO PUBLICATION DATES WHOPEE
   • Mild Blood/Gore
   • IN CHAPTER 5 also
   • some descriptions of puke
   • You can pry the Jyushimatsu wild card HC from my dead hands
   • suematsu
   • also in ch5
   • Suicidal Thoughts
   • in chapter 6 so TW for that
   • also some sciency brain stuff I did surface level googling for
   • Crying
   • didn't know if I should add Ichi as a character but he does show up a little
   • Hugging
   • Happy Ending
   • You know who else got added as a character this chapter
   • Dekapan surprisingly
   • also thanks for waiting for this chap fr ily guys
   • Added a little Ichi knowing about medicines line bc we love that bit of canon

   Summary

   Todomatsu supposes there were better (and probably more legal) places to get cash, but Dekapan’s lab was always the top choice for the sextuplets.

   Tasks were always readily available, and payoffs were usually immediate— as long as you weren't too worried about your own safety anyway.

   Language:

   English

   Words:

   12,666

   Chapters:

   6/6

   Comments:

   47

   Kudos:

   48

   Bookmarks:

   5

   Hits:

   700

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