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.

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?