"Nia is a major character in the Japanese manga ""Don’t Do This Your Majesty!"" and plays a vital role in the story. She is a young and beautiful princess who is described as intelligent, cunning, and manipulative.

Nia has been brought up in a royal family and is used to getting what she wants. She has a sharp mind and is quick to assess situations and people around her, which has helped her become a master strategist. Nia is often seen plotting and scheming to gain power and influence, and she is not above using underhanded tactics to achieve her goals.

Despite her cunning and manipulative nature, Nia also has a kind heart and cares deeply about her friends and family. She has a close relationship with the protagonist of the story, Prince Ludwig, and often works alongside him to achieve their common goals.

Nia is also known for her love of music and is a skilled musician herself. She often performs for her friends and family, and her music has a soothing and calming effect on those around her.

In terms of appearance, Nia has long, flowing hair that is often styled in intricate braids and adorned with jewels. She wears elegant dresses and jewelry befitting her royal status, but she is not afraid to get her hands dirty when necessary.

Overall, Nia is a complex and multifaceted character who adds depth and intrigue to the story. Her intelligence, cunning, and kindness make her a captivating character, and her interactions with other characters in the story help drive the plot forward."