Go Back Couple - Season 1 Episode 2 Memories are Remembered at Your Convenience First love is useless. What counts is your last love.
Overview: Ban Do and Jin Joo return to the year they were 20. Unfortunately, they face the worst day of both their lives. They are both excited to return to their college years, but that excitement turns out to be temporary. They meet at an unexpected place only to be reminded of the events that occurred that day.