Kim An-na (F) majored in Chinese and Classical Chinese Education at Dankook University and studied at Hebei Normal University in China. She currently teaches Chinese and Classical Chinese at Chungshin Girls' Middle School. As a teacher who likes China and Chinese, she is always trying to find the easiest way for her students to learn the language. Books she has written include Master Chinese Characters!, the Bboom! Bboom! Real Chinese with 100% Local Video Drama series, and Children's Chinese Class 1.