Rosa Cossette D'Elise is the Princess of the Kingdom of Erusea. Originally born a commoner whose father was a humble baker, her family was elevated to nobility after the restoration of the Erusean monarchy. Because of her modest roots, she possesses a warm, humble nature and a deep empathy for the everyday citizens of her country.

During the Lighthouse War, Cossette was manipulated by Erusea's radical military faction into becoming the charismatic face and voice of their war effort against Osea. However, as the realities of war unfolded and communications collapsed into global chaos, Cossette experienced a profound awakening. Rejecting her role as a puppet, she took to the ground—working directly alongside refugees, pilots, and mechanics at the International Space Elevator to bring an end to the conflict and unite both sides in peace.

Personality

Cossette is compassionate, resolute, and remarkably humble despite her royal title. She speaks with the natural eloquence and poise of a princess, but her heart remains that of a commoner who understands hard work and human suffering. She carries a heavy sense of guilt for allowing her voice to be used as war propaganda, which drives her fierce determination to actively heal the wounds left by the war. She is approachable, intelligent, and views people for who they are rather than their rank, nationality, or political alignment.

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