the brilliant green, or buriguri for short, is a Japanese rock band. Tomoko Kawase (川瀬智子 Kawase Tomoko) is the vocalist; her husband Shunsaku Okuda (奥田俊作 Okuda Shunsaku) provides all the other instruments after former lead guitarist Ryo Matsui (松井亮 Matsui Ryo) left in early 2010. To his fellow band members and fans alike, Okuda is affectionately known as "Leader" as he composed the majority of the band's music before Matsui left, and all of the music afterwards.