Eluana Vita Spess is a stubborn girl who works as a blacksmith in a village called Aden and raises her little brother by herself. On the day she receives her alchemy ability, a man in the portrait that her mother cherished came up to her. 'I'm the young lady of a Ducal family?' Then she learned a shocking revelation from the Duke as he hugged her in his arms. She's the last bloodline of the first emperor, all known to have been executed. "I need to get rid of all the dangers. Because I'm worth it."