A group of close friends who attend a private school all have a debilitating crush on the sunny star pupil, Sun-ah. The only member of the group who claims not to is Jin-woo, but he ends up loving her as well.
A high school girl wakes up each day with no memory of yesterday. When she agrees to date a shy classmate, can their love grow with every new beginning?
1956: The shy Jonathan's luck with girls changes when he wins the rebellious Gene as a friend in his last year of high school. Gene is adored by many girls and manages to teach Jonathan a few lessons. Gene himself would rather just be with one girl: his girlfriend Bunny. But since his father is poor, her parents don't accept him.