《秒速5厘米》是一部动画电影，故事分为3个部分，以少年的成长为主线，讲述一段美好的爱情的同时还反应了日本的变迁。

《秒速5厘米》讲述孩提时期一位少年美好纯洁的爱情，远野贵树与篠原明里在学校图书馆经常相遇，对方在心中的地位渐渐变得越来越重，后来明里转校，被迫分开，两人相约晚上七点在遥远的车站见面，贵树十二点到达约定地点，明里却依然在守候。中学以后花苗喜欢上了贵树，两人经常见面，花苗却一直难以鼓起勇气向贵树表白，她暗自决定能在滑浪时站起来就向贵树表白，行动之后却发现对方并不喜欢自己，成绩优秀的贵树前往东京研修学业，花苗目送他的飞机离开种子岛，第三部分讲述贵树成为普通的工程师，与交往三年的女友分手之后在一个下午偶遇一位酷似明里的人，却在列车的掩映下错过相认的机会。

"5 Centimeters per Second" is a Animated movie, the story is divided into 3 parts, with the growth of a teenager as the main line, telling a beautiful love while also reflecting the changes in Japan

"5 Centimeters per second" It tells the beautiful and pure love of a young boy in childhood. Takaki Tono and Akari Shinohara often met in the school library, and the status of each other in their hearts gradually became more and more important. Later, Akari transferred to another school and was forced to separate. The two They made an appointment to meet at a distant station at 7:00 p.m. Guishu arrived at the agreed place at 12:00 p.m., but Akari was still waiting. After middle school, Hua Miao fell in love with Guishu, and the two met often, but Hua Miao had never been able to muster up the courage to confess to Guishu. She secretly decided to confess to Guishu when she stood up while surfing, but after she acted, she found that the other party didn’t like her. Himself, Guishu with excellent grades went to Tokyo for further studies, and Hanamiao watched his plane leave Tanegashima. The third part tells that Guishu became an ordinary engineer. After breaking up with his girlfriend who had been dating for three years, he ran into a person who looked exactly like Akari one afternoon. , but missed the chance to meet under the cover of the train.