After D's world quest comes to an end and the system is destroyed, Sophia and Wrath visit Demon Lord Ariel as she lives out what little remains of her life. What will Ariel tell them of her past, and what sort of people were the first rulers? In addition to a brand-new story and illustrations, this volume contains background information on the other children from Sariel's orphanage, as well as several side stories previously available only as promotions. A must-read for fans of the series!
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