As far I understod 6 participants have to run as long as they can without being caught to earn money or else they will die or something, not sure tho, I don't speak Japanese and what I know is a brief summary by someone who told me about what this might be about 
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The dudes who apparently play the main roles in the movie are Sukai, Syoya and Takumi from the boygroup JO1, aswell as Taiki, Sota and Leiya from the boygroup FANTASTICS
