BRT48

BRT48 (Short for Bristan 48) is an Ollendarian girl group and the first Ollendarian sister group to follow 48 group trend started by AKB48. The first generation was first announced on April 14, 2018 and they debuted in November 5, 2018.

2017

 * The formation of BRT48 was announced in October of 2017
 * Auditions were held from November 2017 to March 2018 for 48 girls to join

2018

 * The first generation was announced on April 14, 2018
 * The group debuted in November 5, 2018 with their 1st single, Koa Eleti (Heart Ereki)