[INSIDE SHOWCASE] 170906 PENTAGON "DEMO_01" Comeback Stage - When I Was In Love (펜타곤 "설렘이라는 건" 컴백무대)PENTAGON Profile : http://www.kpopmap.com/pentagon-kpop-profileCR : http://www.kpopmap.com/FB : http://www.facebook.com/kpopmap