Which critically acclaimed Japanese animated film tells the enchanting story of a high school girl and boy who begin to spontaneously swap bodies, leading them to search for each other and confront a looming disaster?

The critically acclaimed Japanese animated film that perfectly fits this description is "Your Name." (Kimi no Na wa.). This enchanting 2016 movie tells the story of Mitsuha, a high school girl from a rural town, and Taki, a high school boy living in Tokyo, who mysteriously begin to swap bodies on random days. Their initial confusion gives way to a unique connection as they learn about each other's lives by leaving notes and messages.

The magical body-swapping premise soon evolves into a poignant narrative as Taki realizes there's a three-year time difference between them and that a devastating comet strike, which Mitsuha's town was directly in the path of, occurred years prior. This revelation propels him on a desperate journey to find Mitsuha and prevent the looming disaster, battling against fading memories and the constraints of time itself.

Directed by the visionary Makoto Shinkai, "Your Name." garnered widespread critical acclaim for its breathtaking animation, intricate storytelling, and deeply emotional themes. The film explores universal ideas of love, longing, fate, and the profound connections that bind people across time and space. Its stunning visuals and evocative soundtrack contributed to its immense success, making it one of the highest-grossing Japanese films of all time at the point of its release.