On the December 11 airing of SBS Love FM's 'Kim Chang Yeol's Old School', Taemin, who's currently one of the mentors on the KBS�idol rebooting program, revealed, "I'm very concerned (about the participants). I also feel pressured because it's about rebooting the idols who've failed to gain the spotlight."

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He added, "All of them work really hard. As I watch them, I can feel that they are desperate. Since it's a gathering of those type of people, sometimes I wonder how I should handle this."