프로퍼 (Proper) – 스물아홉
Track 01 from Single "스물아홉"
Release Date: 2017.01.11
프로퍼 (Proper) – 나는 야한 여자가 좋다
Track 01 from Single "나는 야한 여자가 좋다"
Release Date: 2017.10.20
프로퍼 (Proper) – 멍돌이
Track 01 from Single "멍돌이"
Release Date: 2017.02.07
프로퍼 (Proper) – 봄비
Track 01 from Single "봄비"
Release Date: 2017.03.10