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Debuting as a K-Pop idol under a big agency is definitely a huge deal for many and perhaps that is why many are desperate to get into those agencies. Many K-Pop fans would know that by now SM Entertainment had all along produced K-Pop groups with stunning visuals, amazing music and impressive talents.
However, before even debuting, many have to go through the trainee process and there are many cases where K-Pop idols used to train under various agencies.
Not long ago, it had come to the attention of many netizens that there are actually 4 K-Pop female idols who used to train under SM Entertain
