The current Crown Prince and full-blooded elder brother of The Eldest Princess. Over three years ago, his gentle and warm personality changed dramatically to gloom and aloofness. He now exclusively wears dark attire, rarely smiles, and appears perpetually ill with a constant cough. His hair has turned dry and grayish. Despite consulting countless imperial physicians, no one has identified the root cause of his condition. He maintains distance from his sister and shows little interest in state affairs.
