Seo In Kook's childhood photos of his elementary school years was recently revealed through an internet community site. As his current self, the photo shows a cute and playful boy, posing with a childlike grin. Other photos show the more comical and a "trouble maker" like image, causing many netizens to laugh at Seo In Kook's youthful photos. These old photos garnered extra interest due to the similarities with Seo In Kook's Mnet "Superstar K" image of a chubby underdog. Netizens commented, "He must have played so many tricks and pranks on the female friends" and "he is the same as back then", revealing their interest at the "Superstar K" champ. Seo In Kook is currently busy training as part of the choir for the Qualification of Men special. The choir is set to compete in a national competition on September 3rd.