《薄荷之夏》讲述一对被称为青梅竹马的假女神和真校草之间发生的一系列青春校园故事。从大城市回到了家乡小镇的少女童夕与一名热情率真的画手林南一相遇，当时临近开学，陶竹和王亦明正打算跑到咖啡馆找林南一抄作业，并透露给了林南一，班上要来一名转学生的故事，他们并不知道转学生是童夕。而童夕在自己母亲的要求下，不得不收拾自己的行李，准备从大城市转学回到西海继续上学，她心里仍然惦记着自己的偶像，并打算和暗恋的学长一起参加偶像漫画师的签售会

来到青海的童夕，逐渐成为大家关注的焦点，她被人们称为“白天鹅”，自己也因此产生了虚荣心，决定不负“白天鹅”的身份，而林南一从自己的好友口中得知，童夕就是自己童年时的玩伴，但是现在的童夕已经不是小时候的女汉子，林南一与童夕之间，也即将开始一段故事。

"Peppermint Summer" tells a series of youth campus stories between a pair of false goddesses called childhood sweethearts and the real school grass. Tong Xi, a girl who returned to her hometown from a big city, met Lin Nanyi, an enthusiastic and straightforward painter. At that time, school was about to start, and Tao Zhu and Wang Yiming were planning to go to the coffee shop to ask Lin Nanyi to copy homework, and revealed it to Lin Nanyi. Lin Nanyi told the story of a transfer student coming to the class, but they didn't know that the transfer student was Tong Xi. At the request of her mother, Tong Xi had to pack her luggage, and was about to transfer from a big city back to Xihai to continue her studies. She still had her idol in her heart, and planned to participate in the signing of an idol manga artist with her senior. sale

Tong Xi, who came to Qinghai, gradually became the focus of everyone's attention. She developed vanity and decided to live up to her identity as a "white swan". Lin Nanyi learned from his friends that Tong Xi was his childhood playmate, but now Tong Xi is no longer the girl she was when she was young. A story between Nan Yi and Tong Xi is about to begin.