- SO GOOD - EP (2015)
- 넘버나인 (Number 9)
- Goodbye, Ok
- Ma Boo
- Day By Day (Japanese Ver.)
- One & One
- Falling U
- yayaya
- I’m So Bad
- Keep Out
- Cry Cry (Ballad Ver.)
- Bo Peep Bo Peep
- O My God
- Bye Bye
- Cry Cry
- Target
- Tic Tic Toc
- Apple Is A
- Lovey-Dovey
- 왜 이러니? (Why Are You Being Like This)
- Lies (거짓말) (Part 1)/Lies (거짓말) (Part 2)
- We Are The One (16강 기원 응원가)
- BEAUTIFUL GIRL
- Log-In (로그인)
- Lies