A recent video showing NewJeans members practicing dance choreography when they were trainees at Source Music has sparked controversy and criticism from K-netizens. 

The video features Haerin, Hyein, and Hanni when they were trainees performing a provocative dance routine while wearing high heels. This has led to a significant backlash, with many fans and viewers expressing concern over the appropriateness of the choreography for such young performers.

The members were only in high school and middle school when they filmed this video. Netizens pointed out the importance of the group concept and how the image of the members is drastically different. 

They commented:

"Producing is really important... They made healthy and genuinely precious, beautiful girls look like common, third-rate sexy girl group members in an instant..."

"I understand why the parents are supporting Min Hee Jin, LOL. My daughter is a middle or high school student, LOL. Emphasizing the butt, suggestive songs, heels... LOL, it's crazy."

"I'm majoring in practical dance, so for someone her age, Hyein really dances cleanly and well... It's amazing."

"If they had done that, we would have never seen 'Attention' with the group in black straight hair and sporty outfits."

"I'm so impressed by how well they dance, but then I get really annoyed; my feelings keep going back and forth."

"It's the first time I've seen a training video where they make trainees wear heels..."

"Seeing 12-13 year-olds in tight leggings, heels, and dancing while shaking their hips... The more I see Bang Si Hyuk's tastes, the more disgusted I feel, it's sickening."

"It really makes you realize that the way you utilize talent is more important than the talent itself..."

"Seriously... It's making me want to say curse words... Making a middle schooler wear heels and shake their hips like that..."

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