"Yona is the main character in the Japanese manga ""Eastern Palace Prisoner"". She is a princess from the Kingdom of Kouka who learns the true nature of her country and sets out on a journey of self-discovery and redemption.

Yona is first introduced as a sheltered and naive young woman, with little knowledge of the world outside of her palace walls. She is depicted as kind-hearted and empathetic, always looking for ways to help those around her. However, the events of the story quickly force her to grow and mature in ways that she never expected.

After witnessing the murder of her father, King Il, Yona is forced to flee the palace and go on the run. She is accompanied by her childhood friend and personal guard, Hak, who supports her in her quest for revenge and redemption. Along the way, Yona discovers her own inner strength and determination, as well as the many complexities of the world around her.

As the story progresses, Yona faces many challenges and obstacles, both external and internal. She struggles with her feelings of guilt and responsibility for the death of her father, as well as her growing attraction to both Hak and Soo-won, the man who killed her father. However, she also learns to rely on her friends and allies, and to draw strength from their support.

In the end, Yona becomes a true leader, inspiring and uniting the people of Kouka in their fight against oppression and corruption. Through her bravery, determination, and compassion, she becomes the symbol of hope and change for her kingdom, and a beloved hero to readers of ""Eastern Palace Prisoner""."