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The short film, titled, 'Nightmare,' is indeed a nightmarish short exploring the deep, dark depths of the human mind. 'W Korea's Instagram shared the video with the caption, "I cross the murky border between dream and reality while my other self looks on." 

It's hard to understand or really describe what exactly is going on in the confusing 35-second film, but if one had to make a guess, one would have to assume it is about the idol's foray into hedonistic pleasures of life and the eventual downfall of excessively indulging in such pleasures. Junhyung's identities are split in two in the film, with one being his celebrated idol self and the other being his 'true' unembellished self. But which one is he really? Even Junhyung himself doesn't seem to know.