Valkyrie Drive: Mermaid - Complete Series - Essentials - When Mamori Tokonome is sent to Mermaid Island, she's thrust into a world where girls are living weapons! As long as they're turned on by the right touch. Paired with the buxom beauty, Mirei Shikishima, these two embark on a battle against the fearsome Wärter organization and a new world of feelings, relationships, and pleasure.