Ryu Joon Yeol, EXO's Suho, Ji Soo, and Kim Hee Chan from the upcoming film 'Glory Day' have returned to their high school days in school uniforms!

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The photo from the set of 'Glory Day' was shared on Ryu Joon Yeol's official Facebook page with the caption, "Are you really going to act about your age like this? Please look forward to the twinkle twinkle Ryu Joon Yeol in 'Glory Day'!"

What do you think? Are they working those uniforms? The upcoming film 'Glory Day' will hit theaters March 24!