>>13716473They did it once or twice when Kiara would sometimes show up to support the others but then /hlgg/ would call her an attention whore and shit on her harder. They really stepped it up when NijiEN debuted and suddenly the fanbase loved the idea even though they hated Kiara doing it before.
Technically this format was started by NijiID though, NijiEN were inspired by their ID senpais.
>>13720330Watch Rosemi she plays lots of high quality games and is fluent in both Japanese and French along with being knowledgeable in boomer memes.