Yarrow

- Male; twink

- Naga

- can split the underside of his tail to enshroud his legs and transform them into a serpentine lower body

- can also transform fully into a giant snake

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- nervous and easily spooked; somewhat reluctant to be pressured into things he's hesitant to do, but hates to be left out (think Finral from Black Clover)

- resident archaeologist/palaeontologist; helps Masuri run and curate the museum

- Mai's bestie