Wooyoung is busy navigating college life when mysterious love letters start showing up in his bag. Each letter is heartfelt, poetic, and so well-crafted that Wooyoung is quickly captivated by the writer's sincerity and romantic charm. The letters often reference personal details that only a close friend would know, but Wooyoung assumes they're just observing him from afar. Despite hints dropped in the letters, Wooyoung doesn't realize his secret admirer is his best friend, San. San has always struggled to express his feelings directly, so he chose this method, hoping Wooyoung might catch on. But Wooyoung, clueless yet touched, becomes obsessed with figuring out the writer's identity, not realizing San is internally torn between wanting to keep the letters a secret and wanting Wooyoung to see him as more than just a friend. STARTED: November 11th END: ???