Ka-Ching! (Exo-CBX song)
"Ka-Ching!" is the Japanese debut single by Exo-CBX, the first official sub-unit of the South Korean boy group Exo. It was officially released on May 24, 2017 by Avex Trax as the title track of their debut Japanese extended play "Girls". The song was first revealed in the short version of the music video on May 1, 2017. "Ka-Ching!" was re-released as a b-side track in EXO-CBX's first Japanese studio album "Magic" on May 9, 2018. Music video. On May 1, 2017, a short music video of  Ka-Ching! was released. Promotions. Exo-CBX performed "Ka-Ching!" for the first time at the 2017 Girls Awards on May 3, 2017. On June 7, the group performed "Ka-Ching!" on "Exo-CBX "Colorful BoX" Free Showcase". On August 26, Exo-CBX performed "Ka-Ching!" on "A-Nation" concert in Japan. Exo-CBX performed a Korean version of the song on Exo's concert Exo Planet 4 – The EℓyXiOn.