Farewell Letter Sent to Midsummer

"Farewell Letter to Midsummer" is a youth love song that takes place on a high school campus. It tells the story of Lin Zhi, a girl who is used to hiding her inner feelings due to family changes, and Gu Yan, a boy who appears to be perfect but carries the secret of her family's hereditary heart disease. From an anonymous pen pal exchange that started in an old bookstore, to a slow-burn story of how they gradually get closer in reality because they jointly planned a campus cultural festival. The delicate emotions between them grow quietly in the trivial daily life - through the conversations annotated in the book, the shared starry sky on the rooftop, the silent guardianship on rainy days, and the unspoken understanding. However, Gu Yan's worsening condition is like the "Sword of Damocles" hanging over youth, making every smile hide a countdown. As graduation approaches, the two have to face the cruelest farewell: Lin Zhi finally chooses to use a picture album recording their shared memories as a "letter to midsummer", while Gu Yan uses his limited time to teach her how to love and be loved bravely, even if the ending is destined to be loss.