Summary
After six demanding years in corporate advertising, Seori quits her job and retreats to her hometown. She spends her days sleeping until her younger sister persuades her to join a local gym to regain energy. Seori signs up for swimming lessons and meets the instructor, Yujeong. Unaware he is her sister’s childhood friend, she doesn’t recognize him—but Yujeong immediately knows her as his first love. Under the summer sun, amid poolside moments and humid rain, a tender and nostalgic romance begins to bloom.