The Villainess's Revenge!

Irene swore loyalty to her motherland as the strongest female warrior. However, what awaited her was betrayal from her adopted daughter and her motherland. She was disparaged as an evil woman by those she trusted and faced her final moments. Ten years later, her soul was reincarnated as the fiancée of the crown prince of the enemy country. Using this position, she vows revenge on the traitors... but what will be her choice when she witnesses the boy she once crossed swords with on the battlefield grown up!?