The 17-year-old boy began with summer separation and winter meeting in spring. Their story had already begun by chance. But later, the two separated for five years and reunited again. All they got was quarreling, which led to deeper and deeper misunderstandings. It was not until they knew the truth that they began to regret.
Concept: During the five years of separation, the misunderstanding between Song Si and Gu Yu became deeper and deeper.
