In July 2006, their major debut EP Ore was released and a month later, they appeared at the Fuji Rock Festival attracting 1,000 attendees, a record for a new artist.

[6][7] The band released their second full-length album, Color in 2010, and the single "Jitensha" (自転車, Bicycle) was featured as the 13th ending song of Naruto: Shippuden.

[1] In 2015, long-time saxophonist and keyboardist Morico began a hiatus from the band in anticipation of getting married and giving birth; she later announced her official departure in January 2016.

[11][12][13] This configuration of the band's horn section made a guest appearance on The Autocratics' 2017 self-titled album, including the duet "On the Rainy Night", which featured vocals from iCas.

[14] The band also made their first European tour in 2017, performing in the Czech Republic, Germany, Austria, Italy, Switzerland and at the Rencontres Trans Musicales in France.

[1] In December 2018 it was announced that trumpeter Saki would be taking time off from Oreskaband to pursue a songwriting career, subsequently joining Tokyo-based skacore band Mayson's Party in February 2021.

[18] This lineup would prove short-lived, as bassist Tomi announced in February 2020 that she would be leaving to pursue other musical endeavors, following a final pair of performances with the band in Tokyo and their hometown of Sakai, Osaka Prefecture scheduled for that April.