Capsule

Capsule are the electronic and neo-shibuya kei music duo producer Nakata Yasutaka and singer Koshijima Toshiko and where formed in 1997.
 Their first album was released in 2001 and their music has been used on numerous tv programs such as Hello! Morning, and Utawara Hot Hit 10. They have been quite prolific released a dozen albums up to 2010
Here is their dancefloor hit from 2008 "Jumper"


Discography:

2001 Haikara Girl
2002 Cutie Cinema Replay
2003 Phony Phonic
2004 S.F. Sound Furniture
2005 Nexus-2060
2005 L.D.K. Lounge Designers Killer
2006 Fruits Clipper
2007 Sugarless Girl
2007 Capsule RMX
2007 Flashback
2008 More! More! More!
2010 Player

Links:
wikipedia
official site
last fm