A heartwarming story following the sweet little Jiang Zhizhi and the cool, aloof Shen Yan from kindergarten to adulthood. Jiang Zhizhi is lively and adorable, while Shen Yan may seem cold but is especially soft-hearted toward her. From being the “big brother she picked up” to becoming each other's most trusted support, the two grow up together, keeping each other company and sealing their promises with a pinky swear. A sweet, healing childhood-friends romance.
