For Coupang‘s original K-Drama, Boyhood (or Once Upon A Boyhood), ZE:A‘s idol-turned-actor Im Si Wan (also known as Yim Si Wan) underwent an impressive transformation. Actor Im Si Wan | @yim_siwang/Instagram For his character, Jang Byung Tae—a “far-below-average” bullied high schooler with a quirky personality—Im Si Wan rocked a bowl cut paired with out-of-trend outfits. “Boyhood” | @CoupangPlay/Twitter…

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