Seowon had weak lungs since birth, so he left the city and lived in the forest alone with his father. Then one summer, his fatherâs friend and his son, Aiden, visited the forest which was always quiet. Seowon easily opened her heart to Aiden, who cared for her very sincerely, but when Aiden approached her as more than just a friend, she felt embarrassed but couldnât refuse him. Is it because Aiden kept Seowonâs secret to himself? In the end, âtheyâ crossed a line that should not be crossed. âYou mean, were you out of breath when we kissed?â After spending a hot summer together, an unexpected âproblemâ arises, and itâs that âproblemâ that brings them back togetherâŠ