Betrayed and killed in her past life as a powerful archmage, she is reborn as a frail, neglected noble's daughter. At the tender age of five, her abusive family sends her away to marry a terrifying, war-crazed Duke. She fully expects to meet an absolute monster who preys on children, but the intimidating Duke surprises her with an unexpected offer: instead of taking her as a bride, he wants to adopt her! Thus begins the heartwarming and chaotic third act of her life.