Actor Kim Soo Hyun‘s agency, Gold Medalist, has announced legal action against the YouTube channel Garo Sero Research Institute (Garo Sero hereon) on charges of stalking and defamation, in addition to the lawsuit they had previously filed against it and the family of Kim Sae Ron. Kim Soo Hyun Files ₩12 Billion KRW Lawsuit Against Bereaved Family And Garosero On April…