<Table> <Tr> <Td> </Td> <Td> unravel (2014) </Td> <Td> "Signal" (2016) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> unravel (2014) </Td> <Td> "Signal" (2016) </Td> </Tr> <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>

Who is the singer of unravel tokyo ghoul