After reincarnation, he was already the ninth prince of the current dynasty, but there was a little more enchanting cinnabar between his eyebrows. In the previous life, he was enchanting and charming; in this life, he was charming. But, he is a man. Despite this, he fell in love with him. A prosperous dynasty that has not been recorded in history, a love that wanders between conspiracy and betrayal, an unforgettable past and present... How should he face it? He was never willing to let go of that love that was deep in his bones. Destiny keeps reincarnating. How can he and his lover hold hands and grow old together, laughing at the oath and alliance?