- Two X【 11 songs in total 】
- Sorted by ＞ Sorted by album (Time) Sorted by song name (Characters) Sorted by other
- Song Lyricist Composer Date
- 1 Boom Take Clap 2012
- 2 Double Up 2012
- 3 Hip Up 2013-02
- 4 Hip Up
- 5 Initium(Provided) 2012
- 6 Only U(Provided) 2013-02
- 7 Ring Ma Bell 2013-02
- 8 Ring Marks 2012
- 9 꽂혀(Over) 홍지유, Bull$Eye 홍지유, Bull$Eye 2016-08
- 10 흘러(Flow Away) 홍지유, Bull$Eye 홍지유, Bull$Eye 2016-08
- 11 훅 들어와(Come In) 홍지유, Bull$Eye 홍지유, Bull$Eye 2016-08