30초 초 30 30초’s tracks 위잉위잉cover&사실은(...) by 30초 published on 2019-09-11T13:36:36Z 어느 고3이 수능에게/ballad by 30초 published on 2019-08-20T16:49:14Z delight//i wrote a song by 30초 published on 2019-08-19T15:09:13Z always//i wrote a song by 30초 published on 2019-08-19T15:06:41Z