The latest music program appearance of aepsa's Ningning has sparked a heated debate among K-netizens regarding the appropriateness of her daring see-through ensemble.

Recently, photos of SM Entertainment's popular girl group were posted as they posed in front of the signature wall at 'Inkigayo.' At first, many fans were ecstatic to see the four girls display their exceptional visuals as they made a comeback to various music programs with their 3rd mini-album, 'MY WORLD.'

After a closer look, many netizens were able to spot Ningning's bold see-through outfit and started a debate about whether or not her outfit was appropriate for mainstream music show programs. Some netizens wondered why the group's style coordinator dressed Ningning in that outfit.

Netizens commented, "Why did they dress her like that?" "They should have let her wear a shirt underneath," "That looks like she is straight up just wearing a bra underneath," "Her outfit was so pretty yesterday," "I didn't notice her outfit right away because her face is so pretty," "That outfit just really just looks like her bra is showing through," "I was wondering what was wrong with her outfit and got surprised," "Her outfit is too much but her face is legendary," and, "I think the stylist is just so weird."