Captured by An Oyster: Sea Stone Mermaids 3

Nara is minding her own business, collecting stones, shells, and other small items they could use in their line of Sea Stone Jewelry, when she finds a knife sticking out of the sand. She picks it up and takes it home so no one will get hurt by stepping on it. She is unaware that Octavious Oyster put it there as part of his smuggling schemes. For revenge, Octavious Oyster goes after Nara. Captured by an Oyster is a short story.