- Billy(KR)【 17 songs in total 】
- Sorted by ＞ Sorted by album (Time) Sorted by song name (Characters) Sorted by other
- Song Lyricist Composer Date
- 1 Again Again(Provided) 2017-12
- 2 How I Wish I Could(Provided) 2016-12
- 3 How I Wish I Could(Instrumental)(Provided) 2016-12
- 4 If I'm Without You 2017-12
- 5 If I'm Without You 2017-03
- 6 If I'm Without You(Instrumental)(Provided) 2017-03
- 7 Just For A Moment(Provided) 2017-07
- 8 Just For A Moment(Piano Version) 2017-12
- 9 Just For A Moment(Piano Version) 2017-07
- 10 Like A Folding Paper(Provided) 2016-12
- 11 Like A Folding Paper, Pt. 2 2017-01
- 12 Like A Folding Paper, Pt. 2(Instrumental)(Provided) 2017-01
- 13 Now, Let's Go Home.. - Instrumental(Provided) 2017-05
- 14 Now, Let's Go Home..(Provided) 2017-12
- 15 Now, Let's Go Home..(Provided) 2017-05
- 16 There Must Be A Reason 2017-04
- 17 There Must Be A Reason(Instrumental)(Provided) 2017-04