- O3ohn - Somewhere
- O3ohn - Down
- O3ohn - Somehow
- O3ohn - Shine Your Star (Prod. by ZICO)
- O3ohn - 우리 사이 은하수를 만들어
- O3ohn - Oooh
- O3ohn - 우리 사이 은하수를 만들어
- O3ohn - Good Guy
- O3ohn - her
- O3ohn - untitled01
- O3ohn - Better Than Birthday
- O3ohn - Rolling
- O3ohn/JOONIE - Kalt
- O3ohn - Thoms Piano
- O3ohn - One night
- O3ohn - Somewhere
- O3ohn - Shine Your Star (Prod. by ZICO)
- O3ohn - In Time
- O3ohn - Somewhere (Inst.)
- O3ohn - Clouds