ORESKABAND began in 2003 and began playing at local clubs when the members were in middle school. They self-produced their first album, Penpal, in 2005 and were signed by Sony Music in 2006 while they were still in high school. the band performed at the prestigious annual FUJI ROCK FESTIVAL attracting 1000 attendees, a record for a new artist. The band got media attention in a candy commercial and their song Pinocchio was featured as the 14th ending theme for the anime Naruto. In July 2006, their debut album, Ore, was released. A month later, they appeared at the Fuji Rock Festival attracting 1000 attendees. In March 2007, the band member graduated from high school and toured in the United States appearing in Austin, Los Angeles, and San Francisco. In April 2007, their song, Tsumasaki (爪先, tiptoe?), was featured as the 11th ending for the anime Bleach.