"Re:Re:" is a song by Japanese rock band Asian Kung-Fu Generation from their second full-length studio album, Sol-fa, originally released in 2004. In 2016, Sol-fa was re-recorded and a new version of "Re:Re:" was released as the lead single on March 16, 2016. The 2016 version of "Re:Re:" was used as the opening for the anime Erased. The song was ranked 2nd on fans request for band's 10th anniversary live setlist on September 14, 2013.