You're going to laugh and find both Jang Geun Suk adorable and Kahi even cooler after reading this!

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On the February 12 installment of 'Produce 101,' the trainees weren't the only ones feeling the heat. On this day, Kahi visited the trainees while they they were rehearsing for a mid-session judgment, after which she relayed her discomfort. �She advised stingingly, "How can the main vocalist be like this? �The most important position on stage is the main vocalist."

After one performance ended, Kahi was unable to take her intense gaze off the screen. She silently kept staring, her eyes drilling into the screen, so that Jang Geun Suk, who was watching her, ended up saying, "You're scary," and ran away, making the atmosphere warm again with his cute humor.