A man and a woman, talking over their relationship.

High schoolers Mitsuha and Taki are complete strangers living separate lives. But one night, they suddenly switch places. Mitsuha wakes up in Taki’s body, and he in hers. This bizarre occurrence continues to happen randomly, and the two must adjust their lives around each other.

由新海诚原作的短片原创动画《她和她的猫》，宣布改编成TV动画，剧中的“她”将由花泽香菜担任声优，而黑猫的声优将由浅沼晋太郎担任，矢作纱友里将为“她”的友人配音。本作的导演由坂本一也担任，剧本为永川成基，人设·总作画监督将由参与制作过《黑色子弹》的海岛千本担任，制作则交给了liDENFILMS京都工作室。

High school students Miho and Shouta are preparing for college entrance examinations. Miho comes from an island without even one cram school, while Shouta lives in Tokyo and works a part-time job. Both are striving to pass exams so they can enter college. The pair enroll in Z-Kai's correspondence education courses, and their lives cross before they realize it.

2013 anime short film directed by Makoto Shinkai