Hong and Jungo meet fatefully on the first day they arrive in Tokyo. The spring, summer, and fall of that year were beautiful times for the two of them. Five years later, the two meet again by chance in Korea.

On the first day of arriving in Tokyo, Hong and Jungo met like fate. The spring, summer, and fall of that year were beautiful times for both of them. Five years later, in South Korea, the two meet again by chance.

Hong keeps reiterating that his reunion with Jungo is nothing. Min-jun, who loves Hong, also senses her confusedness, but tries to ignore her and keep her usual self.