What is JKT48??
According to wiki it is
an Indonesian Idol Group. It is the first AKB48 sister group outside of Japan, and it will be based in Jakarta. The group will adopt AKB48’s “idols you can meet” concept, and its overall producer will also be Yasushi Akimoto.
so .. basicly is an Idol Group.. yeea.. ^^ .. maybe it is the first real idols group in Indonesia..maybe.. ^^