"Cry Baby" is a song by Japanese band Official Hige Dandism, released as a digital single on May 7, 2021.

The full version of "Cry Baby" was first played on April 24, 2021 on the FM802 radio program Lantern Jam Times [ja].

It was used as the opening theme song to the anime adaptation of Tokyo Revengers, which was broadcast from April 11 to September 19, 2021.

[5] The music video was directed by Takuto Shimpo [ja][6] and depicts the members of the band playing their instruments in a junkyard.

The official YouTube channel for the anime adaptation of Tokyo Revengers released a video of Mikey's voice actor, Yū Hayashi, performing a cover of "Cry Baby" on October 11, 2021.