In 2012, Kim Jae-Hwan starred in the tvN music show “Korea’s Got Talent 2” and stopped in the semi-finals. On February 10th, 2016, Kim Jae-Hwan starred in the Korean SBS TV music variety show “Vocal War: God’s Voice” pilot broadcast, challenged Yin Daoxian in the program, and became the first player to challenge success; April 6th, starred in ” Vocal War: The Voice of God, challenged Park Jung Hyun in the show and stopped two wins. On March 9, 2017, Kim Jae-Hwan participated in the recording of the first digital single “Pick Me” as a personal trainee and starred in the Mnet music show “M! Countdown”; on April 7, Kim Jae-Hwan Starred in the Mnet music show “PRODUCE 101 Season 2”, and finally won the program in the 4th place, successfully obtained the debut qualification; July 1st to 2nd, with the combination in Seoul, South Korea, Sponsored101 second Season commemorative concert; August 3, starred in the first group variety show “Wanna One Go”; August 7th, with the first WANNA ONE released the first mini album “TO BE ONE”; the same day, with the combination in Seoul high feet Dome held the “Wanna One Premier Show-Con” debut Showcase Concert, officially debut; on August 8, Jin Zaiyu signed an exclusive contract with CJ E&M to confirm that CJ E&M will be an artist after the end of Wanna One event from the end of 2018. Conducting activities; in September, participating in the “immortal famous song: the legend is singing” Li Meizi special edition; on November 13, with the release of the follow-up album “1-1 = 0 (NOTHING WITHOUT YOU)”; November 18, the reference Performing “The Immortal Songs: Passing In the singing, Yin Rishang won two wins; on the 25th, he won the MAMA Awards Best of Next Award; on December 1st, he won the MAMA Awards Best Newcomer Award and the Best Men’s Team Award; on December 2nd, The group won the Melon Music Awards award ceremony Kakao hot star, Top 10 Artists and newcomer awards; on December 25th, starred in the special stage “Butterfly” of SBS songs.