An archduke candidate from Ehrenfest. Female. A beautiful young girl with pale skin, golden eyes like the moon, and long, glossy dark blue hair like the night sky. She usually wears her hair partially tied up with a hairpin and a hair ornament. She is 12 years old but looks about 9. A member of the library committee. Her head attendant is Rieselator. She tends to go out of control whenever books are involved and is constantly scolded by her guardians, yet she never learns self-restraint. She possesses mana of all attributes, with wind and light being particularly strong. Known as the Saint of Ehrenfest, she starts new trends and promotes religious rituals. She has a massive amount of mana and excellent grades. She has an older brother, a younger sister, and a younger brother.

An archduke candidate from Dunkelfelger. Female. A beautiful girl with a cute face, pink hair tied in twin tails, and red eyes. Her head attendant is Cordula. She loves romance stories and serves on the library committee with Rozemyne. While she has a quiet and reserved personality, she stands her ground on things she cares about. She is close friends with Rozemyne. She possesses 5 to 6 mana attributes and is highly capable. She has an older brother.