EPEX 2nd Album Youth Chapter 2 : YOUTH DEFICIENCY (EPEX 2nd Album 소화(韶華) 2장 : 청춘 결핍)

EPEX 1st Album Youth Chapter 1 : YOUTH DAYS (EPEX 1st Album 소화(韶華) 1장 : 청춘 시절)

EPEX 6th EP Album Prelude of Anxiety Chapter 2. ‘Can We Surrender?’ (EPEX 6th EP Album 불안의 서 챕터 2. ‘Can We Surrender?’)

EPEX 5th EP Album Prelude of Love Chapter 2. 'Growing Pains' (EPEX 5th EP Album 사랑의 서 챕터 2. '성장통')

EPEX 4th EP Album Prelude of Love Chapter 1. ‘Puppy Love’

3rd EP Album Prelude of Anxiety Chapter 1. ‘21st Century Boys’

2nd EP Album ‘Bipolar Pt.2 Prelude of Love’

My Girl (My Girl)

Graduation Day (졸업식)

K-909 : Baby good night

1st EP Album ‘Bipolar Pt.1 Prelude of Anxiety’