- SAKI (Vocals)
- YUI (Guitar, Backing Vocals)
- AYANO (Keyboard, Piano, Backing Vocals)
- AZU (Bass, Backing Vocals)
Cyntia formed in the summer of 2011. In November of that year, vocalist SAKI joined. They released their debut single "Run to the Future" under indies label Bright Star Records, sub-label of Spinning Records, on April 11, 2012. Afterwards, bassist AIRI left the band due to poor physical condition and AZU, former LAZYgunsBRISKY member, replaced her. They made their major label debut under Victor Entertainment with their second album Lady Made on March 20, 2013.
- [2012.09.05] Endless World (Indies)
- [2013.03.20] Lady Made
- [2014.02.12] Limit Break
- [2015.02.18] WOMAN
- [2016.12.14] Urban Night
- [2012.04.11] Run to the Future (Indies)
- [2013.07.31] Return to Myself ~Shinai, Shinai, Natsu (Return to Myself~しない、しない、ナツ)
- [2014.01.03] Senkou Strings (閃光ストリングス)
- [2014.09.03] Shouri no Hanataba wo -gonna gonna be hot!- (勝利の花束を-gonna gonna be hot!-; A Bouquet of Victory)
- [2015.01.07] KISS KISS KISS
- [2015.02.18] Akatsuki no Hana (暁の華; Flower of the Dawn)
- [2015.01.07] Cyntia LIVE TOUR "Rock'n☆GIRL 2014"
- [2015.09.30] CYNTIA LIVE TOUR 2015 "PRETTY WOMAN"
- [2016.09.28] CYNTIA "NIGHT AND DAY" LIVE DVD