The purple mermaid from the previous episode introduces herself as Caren, the mermaid princess of the Antarctic Ocean, and the younger twin sister of Noel, the mermaid princess of the Arctic Ocean, whom Rina was with when she was captured. Later, Rina experiences a guilt trip as she remembers how she was forced to abandon her friend when Gaito attacked. The Black Beauty Sisters are introduced. (Source: Wikipedia)

Aired on: 10/3/2003