Chong-dŏk Pak

• Andong chiyŏgŏ ŭi ŭmun yŏnʾgu
• Sister sun and brother moon =
• T'aja ŭi si ilki, chuch'e ŭi kŭl ssŭgi
• Ŭiryo kwan'gwang chŏnmun'ga rŭl wihan ŭiryo kwan'gwang chŏllyak =