It's about girl power starts with the Grand Duchy that was ruled by a matriarch "Grand Duchess Lady Art Lambert" Lambert Family. As strong and important as the Imperial Family. Lady Lambert was cheerful and lives lavishly because of her family's influence in the dukedom. But one day when she turns 15 she falls into a great despair, because of her parents sudden deaths. As a result, she inherited the title at an early age. The dukedom falls to it's bankruptcy and lost it's power in the empire. However, no one knows she has an incurable disease, which is why she dies alone at the age of 28. Her soul speaks in another world, where she meets Aline Fernandez, one of the protagonists who will carry on the matriarch's legacy. She was taken aback by the fact that she has awoken in someone else's room, as well as the size of the feet and hands she observed. When she glanced in the mirror, she was astonished by the beauty of his face: red lips, pure black eyes, black hair, and pale skin ...