은혼
The band first formed when all three members were attending the same music college. Suzuki and Ito, classmates since high school, were introduced to bassist Konno through a mutual friend, and in 2006 they began playing around Tokyo under the name Sound Coordination. In 2009, they signed with Ki/oon Records and released their first major-label single, "Slow Down". The band's second single, "Light Infection", was featured as the opening theme during Season 4 of the "anime" series "Gin Tama." The band's fourth single, "Balance Doll", was used as the eighteenth ending theme of the anime series "Gin Tama."