Koo Hye-sun met with a double celebration at the age of 41Thank you for taking care of me every year
Nov 10, 2025
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On the 10th, Koo Hye-sun said, "Yesterday. Thank you so much for wishing me a happy birthday. I'm always late to thank you because I don't like my birthday. I'm so sorry for the gifts, but I take care of them every year even though I don't want to receive them. Thank you so much," he said hello.
Then "I'm sorry that I didn't have many recent photos, so I uploaded a product cut. I wanted to convey my smile. I love you. Thank you.", and replaced the recent situation with a photo of the advertisement developed by himself 'Flat Hair Roll'.
Koo is currently studying for a master's degree in engineering at KAIST Graduate School of Science and Journalism.
Koo Hye-sun, who also became a hot topic by announcing her new start as the CEO of a venture company, obtained a patent in March with a 'Flat Hair Roll' product developed with KAIST professor.
shyun@sportschosun.com
