B1A4 - OK (Full ver.) B1A4 - O.K (Full ver.)

B1A4 - OK [DL Eng Sub|Rom|Hangul] B1A4 - O.K. [DL+ Eng Sub|Rom|Hangul]

B1A4 - OK [MP3 DL] B1A4 - OK [MP3 + DL]

B1A4 - O.K. [DL+ Eng Sub|Rom|Hangul]

ok!!

toyakoyo: 呵~~謝謝你~

hihidoubt: 哈~~