Rihito Amagi

Rihito Amagi is a brother of Mikaru, conductor and part of the Panthalassa Clan like Kaito Domoto in Mermaid Melody. His and Mikaru's parents was part of the Panthalassa Clan too. When Kaito was leave Mikaru after memory back and he remembered the Lucia Mikaru came about sand. And when Mikeru took Mikaru the second half Lucia and the other Mermaid Princesses intending to save him. Kaito and Rihito went to rescue her. Mikeru left with the Ancients and Mikaru was gone with Mikeru, but Aqua Regina returned Mikaru to Rihito. But this time Mikaru was born again.