Biography
The Plastic Ambition is a collaboration of Junko Karashima, known as jun, and Yoshitaka Nishimura, known as DJ YOSHITAKA. The Plastic Ambition was formed to create a song for beatmania IIDX 14th style GOLD.
Interview between jun and DJ YOSHITAKA for their collaboration can be found here: http://bmf.i-revo.jp/beatnation/special/collaboration/
Biography text from Last.fm, available under CC BY-SA.