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Koshi with Shellington

Dashi and mystery sis

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Dashi and Koshi


Koshi Dog

Koshi is Dashi's 10 year old sister who plays detective seen in The Kelp Monster Mystery. She is a fan of mystery novels and is honest and well behaved around others. Koshi helped the octonauts solve a disappearance in the kelp forest and lead the way. She was about to turn 11 years old and is full of kindness.


Koshi has a black shirt with a jade green overall dress with a pocket in the front. The pocket has a pencil and notepad in it. She has brown hair in two ponytails and yellow pearls. Koshi also has brown nose and muzzle. Koshi has yellow tights and green shoes.


Dashi - (Big Sister)