The Kansai Twins, also known as the Osomatsu and Choromatsu of Kansai, are a pair of twin brothers that show up in the later Osomatsu-kun manga.


They are of similar height and body type to The Sextuplets, bearing no differences in their appearance at all.

Like the six, they wear a long-sleeved dress shirt and lighter-colored pants.

Personality & Characteristics

The two are smart-mouthed young children that can blend in well enough with the Matsunos, and mimic the usual Osomatsu and Choromatsu just close enough to give their parents difficulty in telling them apart.

But while their lack of intelligence is very close to the two, their Kansai-ben accents and rough speech eventually wind up giving them away.

They are revealed to have been born to parents who are exactly identical to Matsuyo and Matsuzo, but who have no other children. As the stories during this period were much more brief in gag nature, it is unknown how and why these twins wound up at the Matsuno house, other than to create a situation like the alien impostors story where the parents had to tell the real Osomatsu and Choromatsu apart from the fakes.


  • In the volume editions, an opening illustration has the Kansai Osomatsu identify himself as "Usomatsu" (lie/fake Matsu) as a gag, though for the purpose of the story, he and his brother would appear to actually be named Osomatsu and Choromatsu, just of an identical but not "Matsuno" family.

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