A musical group made up of:
Seiya (composer, producer)
.H/de (lyrics, video)
quad (sound engineer)
fooca (vocals, 2006-present)
risuko (vocals, 2008-present)
Misuzu Umino (海野みすず; lyrics, video)
Past members:
Hiroki (composer, arranger, lyrics, 2000–2006)
nomico (vocals, 2004–2006)