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On May 17, it was revealed that the producer who crafted the process of 'The Unit' was Kim Gwang Su, a figure widely known for his production of T-ara. He said that, due to his past notoriety of his alleged mismanagement of T-ara, his public involvement in 'The Unit' would have caused unnecessary buzz during the production. Hence, Kim Gwang Su himself purposely decided to leave his name out of the list of PDs.

"I specifically asked the main producer of 'The Unit' to refrain from publicizing my name. I even told him to leave it out from the 'Thanks To's' of UNB and Uni.T," said Kim Gwang Su, "I did not believe that those idols, who made a courageous decision to re-boot, would benefit from my name. Many people still have a prejudice against me due to the T-ara incident."

The producer further added regarding his investment in UNB and Uni.T, "UNB and Uni.T are kids of other agencies, but I am trying my best to support them... I started the program with a $5.7 million investment. KBS takes the profits from commercials, copyrights, and downloading. So, we have to make up for the costs with half of the money that UNB and Uni.T makes, since the members' respective companies take the other half. I think, as of now, we would be happy if we could earn at least half of the initial investment."