A BIG project by the powerful tag team of Takanori Nishikawa and Chiyomaru Shikura! The latest B-PROJECT Drama CD! Includes: Drama "1/2 -half," Mad World" / OBS (Kitakore & KiLLER KiNG), "MAZE" / Knight's Quail (THRIVE & MooNs), "Mad World"- Off Vocal -, "MAZE" - Off Vocal -.