Keimi is a character in the anime and manga series One Piece. She is a mermaid who works as a waitress at the Mermaid Cafe in Fish-Man Island. Keimi is known for her kind-hearted and friendly nature. She is a close friend of the Straw Hat Pirates, particularly Hatchan, and plays an important role in the Fish-Man Island arc by assisting them in navigating the underwater territories. Her bright personality and unwavering loyalty make her a beloved character among fans of the series.