Valkyrie Drive: Mermaid: Each of the series revolves around girls who have been infected with a mysterious virus known as the A Virus (Armed Virus). These girls are divided into two classes; Exters , who can transform into weapons when sexually aroused, and Liberators , who have the power to wield an Exter's weapon form, known as Liberator Arms, through a process known as Drive. These girls are brought to separate islands, which each of the series is named after. Mermaid follows an Exter named Mamori Tokonome who forms a partnership with the Liberator Mirei Shikishima.

Starring:

Kikuko Inoue, Yuka Iguchi, Asami Seto, Saori Ōnishi, Yurika Kubo, Azumi Asakura, Hitomi Harada, Mikako Izawa, Masumi Tazawa, Yoshino, Yuna

Genre:

Action, Fantasy, Anime