Arai is a spanish group of metal influenced by Su Ta Gar, Koma, Helloween, Pantera and others. It was founded in 2000 by Marcos and Moro. After Marcos knew Jorge, a young and good drummer that follows with the band today. Soon Javier entered as guitarist and the group were complete.

In 2001 Javier leaves the group and is replaced by Sergio, who is replaced by Urtzi and he by Gerson, a Colombian guitarist, who has given stability to the group until today.

In April of year 2006 they recorded their first demo in the M.A.V studios, called Sociedad Enferma, that is available for download in Jamendo under Creative Commons Attribution-NonCommercial-ShareAlike 2.5 license.