Valkyrie Drive - Mermaid - Volume 1 - Episode 01-04 (Blu-ray)

When the sweet and innocent Mamori is kidnapped from school one day, she finds herself on a remote island. There she meets the mysterious Mirei, who frees her from a dicey situation. The two quickly find a way to defend themselves against the other islanders. Because only through Mirei's passionate kisses and sensual touches can she turn into a strong weapon and take up the fight against the others. Their intimate connection is the only chance to survive on the island, because the more licentious the two become, the stronger Mamori becomes. (Blu-ray)

A bunch of sexy girls alone on a desert island, fighting each other and living together and, above all, loving. Unleash your passion and become a weapon!