No Mercy is the first EP by South Korean male pop group B.A.P. It wasreleased digitally on July 19, 2012, and physically on July 24, 2012 under the label of TS Entertainment. It features the singles "Goodbye" and "No Mercy".

On August 30, 2012, the repackaged version of the EP, renamed Crash, was digitally released. The repackage contained two new songs including "Crash" and "I Remember" (feat. Daehyun) along with the five previous tracks.

The title of the EP was revealed on July 12, 2012, along with the album cover and track listing. The album jacket photos of the individual members were released on July 15 and 16, 2012, which introduced the urban pop boy concept for the promotions.

The first single from the EP is a pop-rock ballad, "Goodbye". It features falsetto vocals and a strong rap. The song was composed by Jeon Daun, who also wrote G.NA‘s “Because You’re My Person“ and K.Will‘s “Struck Dumb”, along with B.A.P member Yong Guk. Yong Guk also helped to pen the lyrics. "Goodbye" also featured guitarist TOP, who worked with Seo Taeji for over 10 years. The song and its music video were released digitally on July 9, 2012.

The second single, title track "No Mercy", is composed and produced by Marco and Jeon Daun of TS Entertainment. B.A.P member Yong Guk helped with the lyrics. The rapping parts of the song utilizes the Gyeongsangdo dialect. It also makes use of “samul nori“, a type of traditional Korean percussion music. This song is quite similar in comparison with group's previous singles “Warrior” and “Power", as it brings back many of the group's signature style, especially the use of whistles in the instrumental. The song was released digitally on July 18, 2012.

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