Due to "dating ban" in the K-pop industry, their relationship was opposed by Koo's management which led to their heartbreaking split in 2000.
dˈuː tuː "dˈeɪɾɪŋ bˈæn" ɪnðə kˈeɪpˈɑːp ˈɪndʌstɹi, ðɛɹ ɹᵻlˈeɪʃənʃˌɪp wʌz əpˈoʊzd baɪ kˈuːz mˈænɪdʒmənt wˌɪtʃ lˈɛd tə ðɛɹ hˈɑːɹtbɹeɪkɪŋ splˈɪt ɪn tˈuː θˈaʊzənd.