Ketsumeishi (ケツメイシ) is a popular four-member Japanese pop and hip hop group that incorporates singing and rapping into their music. They have had several major hits in Japan, including "Sakura", which reached number two on the Oricon yearly chart for 2005 and was featured in the Japanese game Taiko no Tatsujin. * Ryo Tanaka (田中 亮 ,Tanaka Ryō?): Vocalist * Ryoji Otsuka (大塚 亮二 ,Otsuka Ryōji?): Vocalist * Daizo Yoshida (吉田 大蔵 ,Yoshida Daizō?): Vocalist * Kenta Kohno (河野 健太 ,Kōno Kenta?): DJ