- Name: Kosuke Saito (斎藤広祐)
- Web Site: http://korsk.jp/index.html
- Twitter: https://twitter.com/S2TB_korsk
- Weibo: http://weibo.com/u/2677519310
- Mixi profile (requires membership)
- Blood Type: A
- Birthplace: Tokyo
- Likes: Hot springs, black coffee, unusual things, eating
- Dislikes: Thunderstorms, rain, one-sided decisions, strong prejudice
Kosuke Saito (born December 17th, 1983) is a commissioned artist for BEMANI who made his debut in beatmania IIDX 4th style, winning a Musicianship Trial to be in beatmania IIDX. (Ryu☆ won this same contest.) Kosuke returned in beatmania IIDX 9th style by request of dj TAKA, and has been a regular contributor to beatmania IIDX since, being one of the only commissioned artists (alongside Ryu☆) considered part of the "core" beatmania IIDX sound team. His musical style ranges from trance, rave, hardcore (teranoid), house, and his recent CANDY RAVE series of tunes, which begin with SigSig.
Outside of BEMANI, Kosuke also has his own record label: S2TB Recording.
- Outside of BEMANI, Kosuke Saito has also composed songs for Pentavision's DJMAX series, under the alias Oriental ST8.
- Kosuke has admitted to being a big fan of the cartoon show The Simpsons. He did a remix of the opening theme once for MC NATSACK's radio show, and ay carumba!!!! was named specifically after character Bart Simpson's catchphrase.
- Poochie is also named after a The Simpsons' character.
- kors k
- LIA (name of vocalist)
- Chonan Chiharu (name of vocalist)
- kors k as Disconation
- kors k as StripE
- kors k as teranoid
- Hardcore United Tokyo (with DJ TECHNORCH)
- Suke+Suke (with Dai)
- BONUS (with Sota Fujimori)
- The 4th (with Ryu☆)
- S2TB Files:Disconation (2004)
- teranoid underground edition (2006)
- teranoid overground edition (2006)
- teranoid overground edition 1.04 (2006)
- teranoid overground edition KOJA YUKINO (2006)
- teranoid anthems : live@underground (2006)
- Ways For Liberation (2010)
- Energetic Trance Presents StripE Collection (2011)
- kors k - Essential Works (2012)
- S2TB Files2:Activate (2012)
- S2TB Files3:Subsonic Tribe (2013)
- Let's Do It Now!! (2014)