1x3 - Go Back Couple

Jin Joo and Ban Do thought their return to 1999 was a miracle that was to last one night. Contrary to their belief, they woke up the next day still stuck in 1999. Ban Do, who believed that he was the only one to travel back in time, finds out that Jin Joo has also come with him. The two agree not to get involved with one another and live new lives.