Terashima Yufu (寺嶋由芙) is a Japanese singer under DEARSTAGE.inc. She is a former member of BiS and currently works as a soloist. She began her career as an idol in April 2011 when she appeared on the compilation album Ultimate!! Girls Revolution1 for the song "Tsundere Syndrome" . On July 9th 2011, Yufu was announced as a member of BiS, replacing Yokoyama Rina who had withdrawn a couple of months prior. On May 26th 2013, Yufu graduated from BiS due to frequent arguments with Pour Lui over the direction BiS should take.