Comedian Yoon Jung Soo pulled a light prank on the Wanna One's�Kim Jae Hwan�on the latest episode of 'Insolent Housemates' on January 19!

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This week, Wanna One members Kang Daniel, Ong Seong Wu, and Kim Jae Hwan went on a trip with Yook Joong Wan and Yoon Jung Soo, their current housemates.�

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When Kim Jae Hwan went behind the curtains to change into his pajamas, Yoon Jung Soo jokingly asked the idol why he wasn't putting on any underwear. He then quickly drew back the curtains, partially revealing Kim Jae Hwan as he was changing.

The startled idol group member laughed and quickly ran away, but Yoon Jung Soo didn't stop kidding around!

'Insolent Housemates' airs every Friday at 9:50 PM (KST)!