Valkyrie Drive: Mermaid

Mamori Tokonome, a girl who was diagnosed with an irregularity in her body, is captured by agents and taken to a remote island known as Mermaid. There, she is attacked by two girls named Miyasato and Kouzuki, the former being a Liberator w…

Following their battle, Mamori and Mirei are restrained by two other Liberators. While Mirei is locked away in a disciplinary room, Mamori wakes up in the care of Kasumi Shigure, commander of the Welter, who explains that all the girls on …

Mamori and Mirei are picked up by Meifon, who takes them to a small town run by Torino Kazumi, who takes care of girls who don't want to or are unable to stay at Veste. Meanwhile, despite Kasumi's attempts to keep it a secret, Charlotte le…

Surrounded by Welter soldiers, Rain kisses Mirei to transform into the Disarmment Buster Arm that forces Exters out of their weapon states, while Lady J uses her skills as a motorcycle to fight back Charlotte and Kasumi. Just then, Akira H…

Mirei, Mamori, and Kasumi come across a girl named Nimi Minimi who, after running away from the castle when Charlotte tried to force her and her girlfriend Noe Oya into separate partnerships, somehow wound up in a giant form. Nimi is broug…

Meifon works with her partners in crime, Hyouko Yundou and Futaba Kirii, to steal more goods from Veste while also making money from gambling. Feeling she can make a killing from bets, Meifon arranges for Mirei to enter a beauty pageant be…

Stressed from work, Akira, who is revealed to be a woman, sneaks out to be spend some time with Torino, keeping her identity a secret from Mamori and Mirei. Spending the night in Mamori's room, she recalls how her mother arranged for her t…

Lady Lady are asked by Akira to investigate a location said to contain the secret of Mermaid, bringing Mamori, Mirei, and Meifon along with them. Uncovering a hidden cave, the girls find an underground construction plant, where they are at…

Momoka arrives on Mermaid under the guise of a new transfer, quickly demonstrating her Exter abilities and becoming a part of Charlotte's Adel team. Quickly deducing Akira's true gender, Momoka manipulates Charlotte into confronting Akira …

Kasumi recalls how she and her partner Hibiki Kenjo, who has been in shock ever after being attacked on the island, was protected by Akira and made commander of Warter. With Akira's gender exposed, Charlotte, under Momoka's influence, decl…

As Momoka, who were once a part of the same experiments as Mirei, prepares to attack, Lady Lady show up to fight against her, but find their attacks ineffective against her Soldier Arm. Momoka and her allies then kidnap Mamori, learning of…

Mirei struggles to fight against Momoka as she wields Mamori against her, but is aided by Kasumi, who is finally joined in battle by Hibiki, as well as Lady Lady and Meifeng. However, Momoka uses Mamori's Valkyrie ability to absorb other g…