Hysteric Blue was a Japanese rock band formed in Osaka, Japan in 1997 and disbanded in 2004. These files were pretty hard to find, and so I decided to share.
This pack contains the following albums and singles:

1999 - Baby Blue (CBR 320 kbps)
2000 - Wallaby (CBR 320 kbps)
2001 - Bleu-Bleu-Bleu (CBR 320 kbps)
2002 - Historic Blue (CBR 320 kbps)
2002 - Milestone (CBR 320 kbps)
2003 - Junction (CBR 320 kbps)

Singles :
1998 - Rush! (Single) (VBR 216 kbps)
1999 - Naze (Single) (CBR 192 kbps)
2000 - Grow Up! (Single) (CBR 192 kbps)
2001 - Frustration Music (Single) (CBR 192 kbps)
2001 - Reset Me (Single) (CBR 192 kbps)
2002 - Home Town (Single) (CBR 320 kbps)
2003 - Dolce (Natsuiro Renbo) (Single) (CBR 320 kbps)

If you enjoy the band, Tama, the vocalist, released a solo album this year (2014) called Opal, which you can buy on japanese online stores.