On August 30, her name and appearance was revealed. Hitman Bang), was introduced during the VOCALOID3 announcement. On June 6, 2011, a demo called I=Fantasy that was produced by Bang Shi Hyuk (a.k.a. The voice behind her is Dahee Kim from the band GLAM. As well as a Korean vocal, she possessed a Japanese vocal. SeeU ( Korean: 시유 RR: Siyu) is a female Korean vocal created for the Vocaloid 3 software by SBS A&T (formerly SBS Artech) and was the only Korean vocal released for that version of the software.