The MBC entertainment program 'Infinite Challenge' members Kwanghee wished to be as popular as Yoo Jae Suk as they walked at Tong Young street market.

On the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' which aired on Nov 7, 2015, the MBC entertainment program 'Infinite Challenge' members brainstormed ways to attract more international tourists to visit Seoul. The 'Infinite Challenge' members split into three teams (Haha and Jung Joon Ha; Yoo Jae Suk and Kwanghee, and; Park Myung Soo and Jung Hyung Don) and developed three different Seoul tours.

Kwanghee and Yoo Jae Suk visited a street market they would take the international tourists during the tour. At the street market, fans who recognized Yoo Jae Suk wanted to shake hands with him. Kwanghee got somewhat jealous and asked Yoo Jae Suk to tell his fans that he is there with him. Kwanghee said to Yoo Jae Suk, "Please tell people that Kwanghee is here too!" and made the audiences laugh. In related news, the MBC entertainment program 'Infinite Challenge' is one of the popular, long lasting entertainment programs in Korea. It features the Infinite Challenge members Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, and Jung Hyung Don.