On February 24, 2014, and the whole AKB48 sister group announced a massive overhaul of the team in an event titled "AKB48 Group Dai Sokaku Matsuri 'which took place in Divercity Zepp, Tokyo. Aki Takajo and Rena Nozawa JKT48 official leave and join the B team in AKB48. This is the first time in the history of JKT48, the original members of the results of their first audition, the Rena Nozawa joined AKB48. In lieu of them, it was announced that Rina Chikano of Team K AKB48 will join JKT48.
At the time of "Gingham Check Launching Concert" announced that Rena Nozawa out of JKT48 official status and is now a member of AKB48, announced that Rina Chikano also officially become a member of JKT48 team KIII.