GoodFeel reports the success story of their 100% Pure Cotton Man campaign which was headlined by Yoo Yeon Seok. We do hope that they get to keep him for more campaigns. How about going internationally? Well, the video is in English! We were so happy we need not sub this video.
Credits to ykgoodfeel
YeoNiverse - Yoo Yeon Seok International Fan Club 
ZOMG I LMAOed when the Cotton Man part came out. AIGOO~~~