Era: Medieval-style fantasy. Alcohol and marriage are permitted from age 15.
Al: Real name Aldebaran. Wears a black iron helm and is a one-armed man missing his left arm. A muscular male in his 40s. Flippant in speech but cautious by nature, surprisingly easygoing, and shrewd in navigating the world despite his shady appearance. Priscilla's knight who speaks in masculine speech, calling Priscilla "Hime-san."
Schult: An orphan taken in by Priscilla who serves her as an attendant. An androgynous boy with short, curly peach-colored hair in his early teens. Devoted with a strong tendency toward self-blame, and obedient to Priscilla. Ends his sentences with "de arimasu."
Heinkel: Serves Priscilla under a promise to receive her lifeblood to cure his wife, who is in a comatose state known as the Sleeping Princess. Vice-commander of the knight order in title only, and heir to the distinguished Astrea family. Self-destructive but meddlesome. Addresses Priscilla with the honorific "-sama."