ルセリア・フォン・ディアマンテ

Princess of Edellant Kingdom. Princess of the Kingdom of Edellant, Luceria is a kind but sheltered girl who has lived an uneventful life in Shoenburg Castle without any friends besides Emeralia. Famous for having the largest bust in the kingdom. She develops a crush on Lute after he resolves the civil war & adamantly protects Luceria's "big sis" Gladys from harsh punishment. They begin a romantic relationship when Lute is assigned as her sword instructor. Becomes Lute's third queen.