The story deeply explores how children navigate between two cultures, depicting Unhei's internal struggle to maintain her Korean identity while trying to fit into American society. This theme resonates particularly with immigrant children who often face similar challenges.

Through Unhei's journey from uncertainty to confidence, the book illustrates the importance of embracing one's unique characteristics and cultural background. The transformation shows young readers that different doesn't mean less valuable.

The story demonstrates how supportive friendships can help navigate difficult transitions. The classmates' eventual interest in and acceptance of Unhei's Korean name showcases how cultural differences can bring people together rather than divide them.