渝中区
TFBoys first appeared on August 6, 2013 with a promotional video sent out by TF entertainment called "Ten Years". October 4, they held a showcase of their debut ep at the Sun Moonlight(SML) Center in Yuzhong District, Chongqing. They debuted on October 18, 2013 with the release of a single album "Start to Heart", including the title track "Heart".