savage genius is a band from Kobe, Japan. It began as a songwriting group with two members, ああ (Aa, vocals and lyrics) and Takumi (composer/arranger, producer) in 2001. They debuted in the AXIA Artist Audition, and signed with Warner Music Japan, cutting two singles. In 2004 savage genius signed with major label Victor Entertainment. Over the next several years they released a multitude of singles, many used as the theme songs to animated television series.