OBS is formed.
V. YU-KI / V. INAMI / G. SAKUMA / D. sato-bo / D. TAMOKEN
Ba. MASA joins.
V. YU-KI / V. INAMI / G. SAKUMA / B. MASA / D. sato-bo / D. TAMOKEN
Vo. INAMI, Dr. sato-bo and DJ. TAMOKEN all leave.
Vo. KOZI and Dr. hiro join.
V. YU-KI / V. KOZI / G. SAKUMA / B. MASA / D. hiro
OBS disbands
OBS was a non-vkei band. They were active from 2003 to 2010 and are now disbanded.