Kyuhyun relayed a hilarious tale involving a gift given by a fan on the recent airing of MBC's 'Radio Star.'

"In Japan, I got an 'adult product' as a present from a fan," he revealed, grabbing attention right away. �Y'all know what that means.

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He continued, "I had never used it before, but what was most memorable for me was the letter that came with it. �In the letter, it was written to ask Eunhyuk about how to use [the product]," making everybody burst into laughter. �

So, was Eunhyuk able to help?