On the September 12 edition of MBC pilot variety show, 'Tutoring Different Generations,' Heechul and Jung Jun Ha revealed their progress (or lack thereof) by showing their tutor Z.HERA videos of them practicing Chinese.

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While Jung Jun Ha's video showed his diligence as well as the humor of comedian Kim Shin Young essentially saying nonsense with a Chinese accent, Heechul's video basically showed him getting lessons from fellow group members Shindong and Zhoumi and support from other SM artists like Girls' Generation, Red Velvet, and more.  This caused Z.HERA to look at him with dissatisfaction and Jung Jun Ha to ask whether this was just an introduction video to SM artists.