Japanese anime sequel set in Albion in the 1900s. Following on from the events of the ´Princess Principal´ TV series, Team White Pigeon spies Ange (voice of Aoi Koga) and Dorothy (Yo Taichi) are sent undercover as maids in the palace. They are tasked with investigating the royal family in an attempt to protect Mary (Rina Endô), the heir to the throne whose life is in danger, but they risk discovery in the process