Who is Inchun, Sookan's Little Brother from Year of Impossible Goodbyes?

Inchun, Sookan's little brother is around six years old. He is well mannered and wise for his years. Inchun doesn't, however, do well when his family escapes and journies southward. It is this journey that makes us realize how very young and frightened he really is. During the escape, Sookan sustains him.