When 17-year-old Makoto Konno gains the ability to, quite literally, "leap" backwards through time, she immediately sets about improving her grades and preventing personal mishaps. However, she soon realises that changing the past isn't as simple as it seems, and eventually, will have to rely on her new powers to shape the future of herself and her friends.
The Girl Who Leapt Through Time is a 2006 Japanese animated science fiction romance film, directed by Mamoru Hosoda, written by Satoko Okudera, and produced by Madhouse. It is a loose sequel to the 1967 novel of the same name by Yasutaka Tsutsui and shares the basic premise, but with a different story and characters than the novel.