Highway X is the twenty-second studio album by the Japanese rock duo B'z.

[2][3] As it was their first album since the COVID-19 pandemic had started, the band said the album presented "the trajectory of two years that have been running through this chaotic era without stopping, and the current state of the present.

[4][5] "Sleepless" was released as the second digital single on June 24, 2022, where it also debuted at number 1 on the Oricon weekly digital singles chart;[6] it was also used as an opening theme in the anime Detective Conan.

[7] "Comeback -Itoshiki Hahen-" was used as the theme for the Asahi TV drama Mirai e no 10 Count.

[9] All lyrics are written by Koshi Inaba; all music is composed by Tak MatsumotoCassette B'z Additional musicians Production B'z Live-Gym 2022 -Highway X- support members