The song had a somewhat good success, reaching the 9 th position on Japan Weekly Singles (Oricon) and also 6 th position on Japan Hot 100 (Billboard). Unravels B-side consists of 'Fu re te Fu re ru' and 'Acoustic Installation'. For the performance, his whole band was involved. It is notable to mention that the song was written and produced (including arranging, being the recording engineer and also mixing engineer) by Toru Kitajima himself. It was released worldwide with help from Sony Music Entertainment Japan. The free piano sheets of Unravel greatly express the mix of those two musical genres. The song is a 4 minutes long mix of Metalcore and Post-Hardcore musical genres. The song was released as a digital download, with the option to be purchased on a CD. The song was recorded at the Studio 4 in Tuppence House i's Studio.

TK, a member of Ling Tosite Sigure, is a singer and the lead vocalist and guitarist of the Japanese rock band as well as a talented songwriter. Unravel is the first single released by Toru Kitajima, better known simply as TK. Tokyo Ghoul anime series, one of the best anime series that was ever produced, came along with a beautiful song for its soundtrack.

Tokyo ghoul opening piano notes