《昨日青空》是一部于2018年10月26日在中国大陆上映的动画片，这部影片是根据口袋巧克力的漫画作品所改编的，影片讲述的故事是发生在中国南方小镇兰溪，讲述的是在兰溪，这座小镇上，几名高三学生，他们有关亲情，梦想以及初恋等等一些成长经历。这部剧的细节，十分细腻片子的背景非常好，虽然剧情算不上高低起伏，不过是发生在这座小镇上的一些小情小爱的故事，但这些故事十分真实且动人。电影的结局之中，这几位年轻人命没有华丽的仪式来告别彼此，而是指拥抱说再见就各奔东西了，给观众一种戛然而止的感觉，让观众在观看的时候有一种意犹未尽的想法，影片不管是电塔还是在雨中追寻的少年，还是在秋日里的枫叶，抑或是漫步的小猫，还是在天空中飞驰的飞机，这些景象每一帧都十分唯美
"Yesterday's Blue Sky" is an animated film released in mainland China on October 26, 2018. This film is based on the comic of Pocket Chocolate Adapted from the work, the film tells a story that took place in Lanxi, a small town in southern China. It tells the story of a few high school seniors in Lanxi, their growth experiences related to family, dreams, first love and so on. The details of this show are very delicate. The background of the film is very good. Although the plot is not ups and downs, it is just some small love stories that happened in this small town, but these stories are very real and moving. In the ending of the movie, these young people did not have a gorgeous ceremony to bid farewell to each other, but to hug and say goodbye before going their separate ways, giving the audience a feeling of an abrupt end, and making the audience feel unfinished when watching Whether it is an electric tower, a boy chasing in the rain, a maple leaf in autumn, a walking kitten, or an airplane flying in the sky, every frame of these scenes is very beautiful
真实而感人的情感呈现。《昨日青空》以真实而细腻的方式展现了青春期的情感起伏和友谊的变迁。故事中的角色饱满而立体，他们的内心世界和成长经历让人产生共鸣。这部电影深情地描绘了友情、爱情和成长的主题，引发观众对青春和回忆的深思。
精美的画面和动画表现。《昨日青空》的动画制作精良，画面细腻且充满细节，给人以视觉上的享受。色彩运用恰到好处，让整个故事充满温暖和柔和的氛围。动画技术的高水准使得角色的表情和动作更加生动自然，增强了故事的感染力。
扣人心弦的剧情和情节发展。《昨日青空》通过一系列扣人心弦的情节和巧妙的剧情发展，将观众带入一个富有张力和悬疑的故事世界。每个角色的命运和选择都紧密相连，引发了观众的情感共鸣。故事的结构紧凑，情节层层递进，令人难以预料的转折增加了观影的趣味性。
