Your Letter

Following her summer break, a student named So-ri transfers to a new school. She discovers an anonymous letter in her desk that introduces her to the campus and provides a clue to find another message. This begins a treasure hunt across the school grounds. While searching for the remaining letters, So-ri meets a classmate named Dong-soon, and the two form a close friendship. As she follows the trail of messages, So-ri becomes increasingly curious about the identity of the mysterious sender and hopes to thank them in person.

This South Korean animated drama was directed by Kim Yong-hwan and written by Jeong Eun-kyeong. The voice cast includes Lee Soo-hyun as So-ri and Kim Min-ju as Dong-soon, alongside Min Seung-woo, Nam Doh-hyeong, Kim Yeon-woo, and Lee Mi-na. Produced by Studio N, STUDIO LICO, and CMC Media, the film has a runtime of 96 minutes. Since its release on October 1, 2025, the movie has received a positive response from viewers, holding a rating of 7.5/10 on TMDB based on 21 votes.