仮面の悪女として生きます～双子姫の入れ替わり～
-Description
Celestine and Fiona are the beautiful twin daughters of the Howard family, a high-ranking noble family in the Kingdom of Saran. When they were young, they were victims of a fire, leaving Celestine with a large scar on her face and Fiona with a weak constitution and unable to speak. Meanwhile, Fiona and the prince are having an engagement party, and Celestine shows up wearing a mask...!?