Valkyrie Drive Mermaid

Upon being relocated to "Mermaid," a synthetic island created to isolate those with exceptional abilities, Tokonome Mamori suffers an assault but is rescued by her recent fellow transfer, Mirei. However, the assailants continue to pursue them, and the duo is thrust into a dire situation. Unfazed by the predicament, Mirei surprises Mamori by kissing her, causing her to unexpectedly transform into a sword. Empowered with Mamori's new form, Mirei successfully defends against their attackers.