"Reboot" is the 44th Japanese single by South Korean pop duo Tohoshinki, released by Avex Trax on December 20, 2017.

"Reboot" was written by Obi Mhondera, Christopher Wortley, DWB, and Hide Nakamura, with lyrics by H.U.B.

[3] "Reboot" was recorded on August 21, 2017, immediately after a Tokyo press conference attended by Tohoshinki to announce their comeback in music.

[4] The press conference was held three days after Changmin's discharge from the Republic of Korea Armed Forces, in which he served nearly two years as an MP.

[5] "Reboot" was written by Obi Mhondera, Christopher Wortley, DWB, and Hide Nakamura, with lyrics by H.U.B., who has writing credits in all of Tohoshinki's albums since Time (2013).

Jacket photos for the CD single was unveiled to the media on November 24, followed by the release of an accompanying music video for "Reboot," directed by Daisuke Ninomiya, the following day.

A music video for "Begin ~Again Version~" directed by Hideaki Sunaga was teased on Japanese morning programs such as ZIP, MezamachiTV, and Sukkiri.