Block B's Zico and G-Friend might be appearing in the upcoming 'Infinity Challenge' episode?

A media outlet borrowed the words of multiple broadcasting reps to report that Block B's Zico and G-Friend participated in the recording of the program back on March 31. Regarding this, an MBC rep simply said on April 1, "There's nothing I can say regarding 'Infinity Challenge' filming," making it impossible to confirm reports.  

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Zico had previously appeared as the rap teacher for Jung Jun Ha who was preparing to go on 'Show Me the Money 5.'  This would mark G-Friend's first appearance if they do indeed guest!