히트맨 – 외로워
Track 01 from Single "외로워"
Release Date: 2017.10.10
히트맨 – 행복 느낌
Track 01 from Single "행복 느낌"
Release Date: 2018.08.01
히트맨 – 허무한 사랑
Track 01 from Single "허무한 사랑"
Release Date: 2019.02.01
히트맨 – 나의 마음
Track 01 from Single "나의 마음"
Release Date: 2018.02.05
히트맨 – 그만하자
Track 01 from Single "그만하자"
Release Date: 2019.04.01
히트맨 – 알고 있니
Track 01 from Single "알고 있니"
Release Date: 2018.06.04
히트맨 – Change
Track 01 from Single "Change"
Release Date: 2017.12.05
히트맨 – 아닐거야
Track 01 from Single "아닐거야"
Release Date: 2017.01.12
히트맨 – 너의 운명
Track 01 from Single "너의 운명"
Release Date: 2018.12.03
히트맨 – 슬픈 후회
Track 01 from Single "슬픈 후회"
Release Date: 2017.08.04