So he wanted to just get his attention while trying to fail?!?! idk 
why does kim dokja have such a child bearing waist.
Spoiler!
Y'all GAE :P
Comment by My life is complete once dis ends on The Second Life of an All-Rounder Idol - Chapter 3
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So basically he didn't want to be an idol in that industry as he can't do what he wants in it so, he tried to fail.
He wanted the dude's attention cause that guy can help him succeed in the future.