Moena was an ordinary college student until she discovered that her father had concealed special powers within her body. When Dark Mother and her army of sexy demon women threaten the world's virgins, Moena transforms into the naked, masked heroine Angel Blade. Moena's stepmother, the heavily endowed Kyoka, is kidnapped by Dark Mother. With the assistance of a team of scantily clad heroines, Angel Blade storms the demon stronghold. Aided by Nail, a dark-skinned succubus and former villain, they reach the heart of evil and confront Dark Mother herself.