Some or all of this article's listed sourcesmay not be reliable. Please help this article by looking for better, more reliable sources, or by checking whether the references meet the criteria for reliable sources. Unreliable citations may be challenged or deleted.(May 2015)
On May 7, JYP Entertainment has revealed a teaser video for the 1st Single Album "JJ Project Slot Machine". On May 9, another video teaser entitled, "JYP 007" was uploaded through JJ Project's official YouTube account. On May 17, 2012, JYP Entertainment released the final teaser, and on May 19, the official music video for title track "Bounce" was released through their official YouTube account and the duo debuted their promotions for "Bounce" on M! Countdown on May 24, 2012. On March 11, 2013, it was announced that JB would be appearing as Seo Mi-joon on MBC's new drama When a Man Falls in Love with his bandmate Junior.
On January 1, 2014, it was announced that the two members of JJ Project would debut as part of a 7-member boy band called Got7. On January 7, 2014, JYP Entertainment released the teaser images for Jr. along with the teaser images of his group members Youngjae and BamBam.  Their debut song "Girls Girls Girls" and the music video for the track were released on January 14, 2014.  On January 27, 2015 the drama "Dream Knight" started and includes all GOT7's members and JB played as JB the Main Cast.