Beloved actor and singer Seo In Guk once discovered the true story behind his birth… on national television. Seo In Guk | tvN On a 2013 “Sons Over Flowers” special episode of KBS‘s Mamma Mia, Seo In Guk and his mother guested. Seo In Guk (left) and his mother (right) | KBS The hosts asked his mother […]