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Actress Koo Hye-sun Earns KAIST Master's Degree and Promotes Her Invention

Actress Koo Hye-sun has recently obtained her master's degree from KAIST, drawing attention by promoting her self-invented hair roller.On the 4th, Koo Hye-sun shared a photo of her KAIST diploma on her social media, accompanied by the caption "Thank you."The diploma states that she has completed the...

Mar 4, 2026
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