[5] On January 30, 2023, the group released a repackaged version of 2 Baddies, titled Ay-Yo, which features three new tracks, including the lead single of the same name.

Its lyrics express the moment two lovers accidentally reunite in an achromatic landscape of dark clouds on a rainy day, like the protagonist of a black-and-white film.

"Tasty" is a hip-hop song that instills confidence with heavy synth bass and energetic singing about killing villains in nightmares effortlessly.

[16] "LOL" is a neo soul pop song with jazz guitar riffs and 808 beats that create a bright atmosphere and convey a message of comfort, support and encouragement to laugh out loud when one feels tired.

[14] The title and lyrics reference the group's name, NCT 127, and the song is dedicated to their fans with a message describing the sensation of time stopping when you are with the one you love.

[17] The group held concerts in Los Angeles and New York to promote the album in North America, as part of their Neo City – The Link tour.

[1] Member Mark noted at the album release press conference that the tour setlist would be revised to include songs from 2 Baddies.

[23] 2 Baddies also charted in many European territories, including Belgium, Germany, France, Hungary, Portugal, Spain, Sweden, and Switzerland.