Since the start of their comeback promotions, EXO has released a series of mysterious individual teasers filled with riddles and clues. Some fans brought out their inner Sherlock Holmes in order to solve each puzzle, but others have also expressed their frustration due to the level of difficulty of the puzzles.  

Chanyeol admitted, "We've heard the explanations, but I'm still not sure. I wasn't able to solve everything, but if [our fans] loved us, then I think they would be able to solve it easily. I solved D.O.'s though." 

Fellow member D.O. then added, "No matter how many times I watched, I couldn't solve Chanyeol's." 

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Meanwhile, Kai said during the press conference that there were a lot of significant changes that were made to their formation and that the MV for their comeback will be unique, heightening the anticipation for the full release. 

EXO will make their first on-stage appearance with "Pathcode" on Mnet's 'M! Countdown' on April 2.