The protagonist who transmigrated into the body of a girl sold for a lucky marriage. Originally the daughter of a wealthy merchant family, she was swapped with the real daughter and mistreated. Her biological parents died for their country when she was young; she was raised by the state and trained in secrecy. She possesses an infinite space ability gained on the day her parents died, can store anything living or not, and has learned basic medical skills from long illness exposure. She is calm, decisive, and has a killing aura from her background.
