Story of a young pirate named Shuu. Her time on board the Red Force, how she met the man of her dreams and how he changed her smiles forever. Ace x OC, Shanks' sister.

Her name is Eustass Kiri, the little sister for Eustass Kidd. She was known far and wide to be a ruthless, bloodthirsty and heartless pirate, just like her brother. However, her darkness was not brought by due to nothing. The Eustass held a deep past hidden away from others. A mystery that Trafalgar Law is so very determined to figure out.