Alright, here are some warm-hearted 3D anime movies for reference: 1. Your Name. (Your Name): This is a Japanese animated film directed by Makoto Shinkai. It tells the story of two young people, full of romance and warmth. Attack on Titan: This is a high-profile sci-fi anime film that tells the story of humans fighting against giants to protect their homeland. It is full of tension and thrills. Spirited Away: This is a Japanese animated film directed by Hayao Miyazaki. It tells the story of a girl entering a mysterious world and interacting with various mysterious creatures. It is full of mystery and warmth. 4 Sword Art Online: This is a Japanese light novel by Kirito that tells the story of players entering a virtual reality game and interacting with various characters. The movie version of the Sword and Sword Art Domain shifted the story to a grander world. 5 One Piece: This is a high-profile nautical adventure story about a pirate Luffy and his pirate crew searching for legendary treasures. The movie version of One Piece shifted the story to a grander world. I hope these recommendations can meet your needs. If you have any other questions, feel free to ask me.