Synopsis: Again, Pure Quest

Na Hana and Song Duri are a virtual couple who have met exclusively through games for five years. Upon their first real-life meeting, they sense a significant difference in their emotional temperature and break up at lightning speed! But why do their hearts flutter after breaking up? Their hearts are set on a "rebound relationship," yet their dating experience is that of "born-single"—a painful yet joyful quest for pure love anew! This summer, will Hana and Duri be able to become each other's one and only "Only One"?