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The anticipated idol rebooting project show 'The Unit' has filmed over the course of 3 days since September 29. In the still cuts, idol mentor Hwang Chi Yeol can be seen concentrating and commenting on a performance. 

It's reported Hwang Chi Yeol in particular treated the idols with a sincere attitude through his warm and impartial evaluation and advice. What's more, through his positive personality and quick wits, he was able to lift the heavy mood that came time to time. Check out the still cuts below.

'The Unit' will be airing its first episode on October 28. Do you plan to watch?