Hello Sleepwalkers is a Japanese rock band from Okinawa signed to A-Sketch and managed by AMUSE. The band consist of Shuntaro (vocals & guitar), Narumi (guitar & vocals), Tasoko (guitar), Makoto (bass) and Yuki (drums). Hello Sleepwalkers debuted on October 5, 2011 with their debut single "??????????" (Sentimental Syndrome). Their debut album "???????????????" was released on January 18, 2012.