Knock – Dear My Love
Track 01 from Single 'Dear My Love'
Knock – Back In The Day
Track 01 from Single 'Back In The Day'
knock – bad idea
Track 01 from Single "bad idea"
Release Date: 2020.12.28
knock – please love me
Track 01 from Single "please love me"
Release Date: 2021.03.15
Knock – 열어줘
Track 03 from EP "PRODUCE 101 - 35 Boys 5 Concepts"
Release Date: 2017.06.03