This recent "trend" that has been appearing more often among female K-Pop idols is one that has been met with a fair amount of controversy.
The Under-Boob Trend Is Reaching K-Pop, And Netizens Have Mixed Feelings - Koreaboo
What is your saltiest kpop opinion no one can change? - Quora
The Fourth Generation K-Pop Visual That Would Be More Recognized If She Was In A Bigger Company, According To Netizens - Koreaboo
The Under-Boob Trend Is Reaching K-Pop, And Netizens Have Mixed Feelings - Koreaboo
Netizens have mixed reactions to the underboob fashion trend
The Hottest K-Pop Idols To Ever Wear Under-Boob Fashion, Ranked - Koreaboo
10+ Korean Celebs Who Boldly Joined The Under-Boob Fashion Trend - Koreaboo
The Trust You Have In That Top — HyunA Has Fans Feeling Nervous With Precarious Under-Boob Fashion - Koreaboo
10+ Korean Celebs Who Boldly Joined The Under-Boob Fashion Trend - Koreaboo
10+ Korean Celebs Who Boldly Joined The Under-Boob Fashion Trend - Koreaboo
Stray Kids' Resident Butt Hunter Lee Know Had The Tables Turned On Him During Their Concert - Koreaboo
What are your controversial K-pop opinions (something you've always wanted to say about KPOP but you feel might trigger some people)? - Quora