<P> "Unravel" is the first solo single by Tōru "TK" Kitajima, from the band Ling Tosite Sigure . "Unravel" was released on July 23, 2014 by Sony Music Entertainment Japan . </P> <P> "Unravel" is used as the opening theme for the anime series Tokyo Ghoul . </P> <P> All tracks written by TK . </P> <Table> <Tr> <Th_colspan="3"> CD </Th> </Tr> <Tr> <Th> No . </Th> <Th> Title </Th> <Th> Length </Th> </Tr> <Tr> <Td> 1 . </Td> <Td> "unravel" </Td> <Td> 4: 00 </Td> </Tr> <Tr> <Td> 2 . </Td> <Td> "Fu re te Fu re ru" </Td> <Td> 3: 38 </Td> </Tr> <Tr> <Td> 3 . </Td> <Td> "Acoustic Installation" </Td> <Td> 6: 04 </Td> </Tr> <Tr> <Td> 4 . </Td> <Td> "unravel" (TV edit) </Td> <Td> 1: 30 </Td> </Tr> <Tr> <Td_colspan="2"> Total length: </Td> <Td> 15: 10 </Td> </Tr> </Table>

Who sings the song unravel from tokyo ghoul