Premieres October 2025. Check out the ANN article for additional information. Synopsis for the source manga from AniList:
A lonely boy wandering the Arctic regions of North America meets a wolf, and the two become fast friends, depending on each other to survive the harsh environment. But the boy has a history, and the wolf is more than meets the eye as well …
I really excited about this! I just know I’m going to cry so much, though.