Ling Tosite Sigure is an indie rock trio formed in 2002 in Saitama, Japan. The band's style resembles post-hardcore and progressive rock, often incorporating rapid changes of tempo and mood based around complex guitar melodies and technical drumming. They utilize both male and female vocals ranging from soft singing to loud wails and screams.

Members:

TK (Toru Kitajima 北嶋徹) – guitar, vocals

345 (Miyoko Nakamura 中村美代子) – bass, vocals

Pierre (Masatoshi Nakano ピエール中野) – drums

Note: Tokyo Ghoul's OP "unravel" is credited under TK from Ling Tosite Sigure.