Siren

Little Mermaid or more commonly known as Siren by her close friends, is a second generation Gimms model Nikke who was created by Abe during the first Rapture Invasion. Originally created to surpass the the first generation Gimms model's, Siren and her squad would fail after their comrade Cinderella was corrupted, but later returned to their side to fight the Rapture Queen. After failing to reach the Queen, Siren would be separated from her friends for over a hundred years, but would eventually reunite with Cinderella and Abe, who now goes by the name Grave.