Song Ji Hyo revealed that her friendship with Gary for the past three years was the reason for their great teamwork during his cameo on her tvN drama 'Emergency Couple'. During an interview at the drama's set in Namyangju, Gyeonggido on March 6, Song Ji Hyo revealed what it was like to act with Gary, "Maybe it's because we've been working together for the past three years, so our teamwork was really good." "The response was really positive after Gary oppa came on, so I think it helped the drama a lot." When asked about Gary's response, Song Ji Hyo shared, "He was worried a lot, saying that he can't memorize his lines. That is why I told him, 'There are not many lines. You just need to be there.'" She also raised curiosity about future cameos, hinting, "I don't know who will make a cameo in the future, but we are talking a lot with our acquaintances." It's well-established by now that Song Ji Hyo and Gary would make a cute couple offscreen!