Akane Koizumi, an orphan on the streets of Tokyo has always dreamed of a life of luxury. After an unexpected encounter lands her in the hands of the Yakuza, she's trained to become the perfect assassin given the enhancement drug, Allure.

A continuation to the "Allure: The Evening Primrose" Light Novels. Seran Koizumi (younger sister to the now deemed terrorist Akane Koizumi), is now the target of the Underworld Assassins (death Bringers) and the Japanese government. As war between the two factions begin The Koizumi Sisters are the key to shifting the tides of war, as they try to bring unity between The Humans and Death Bringers.