Song Ji Hyo recently recalled her memorable school days, sharing a humorous story with the cast ofRunning Man. In this particular episode, Song referred to herself as the Il San boss (Il San I Jjang), a playful term suggesting she was one of her school’s most popular and influential figures. During the Sunday episode of SBS’s Running Man, special guests Kim Dong Jun, BabyMonster’s Rami, and Rora joined the cast for a fun mission called the Overstepping Class President Election. In the show’s opening segment, where the cast dressed in school uniforms, Song Ji Hyo showcased her youthful charm wi…