Just a Substitute Marriage

Marriage first, love later + abuse and sweetness + ancient romance Marrying the prince of a neighboring country on behalf of the princess and his wife, who actually already has a sweetheart? Will the two countries go to war again after less than a month of getting married? This marriage is going to be dirty! After she started to think about running away, the cold-faced prince actually fell in love with her and wanted to have a child with her? Don't rush to be happy, after all, your fake identity will be discovered soon!