Negoto was a Japanese electronic rock band from Chiba Prefecture. Negoto formed in 2007 when the members were high school students. In 2008, the band won a special jury prize at the 1st Senkō riot which is a music festival features teen bands in Japan. The band debuted in 2010. They are best known for the 2010 hit song "Loop" reached number 3 in Billboard Japan Hot 100, the 2011 hit song "Charon" reached number 6 in Billboard Japan Hot 100 and the 2012 hit song "sharp ♯" reached number 11 in Billboard Japan Hot 100. The band's other anime theme contributions include Galilei Donna, Shimajirou to Kujira no Uta, and Gintama°.