Every page and sub-category related to the Valkyrie Drive Universe.
“Mermaid Island is a remote island used as a quarantine area for those affected by the A Virus.Mermaid Island
“Welter is the governing body of Mermaid Island. Welter was founded by Akira Hiiragi as planned...Welter
“Notorious for its fan service, the Valkyrie Drive: Mermaid anime also tells a compelling story...Story