My Tyrano: Together, Forever

My Tyrano: Together, Forever is a 2018 Japanese–Korean animated film directed by Kōbun Shizuno. A joint production between South Korea, Japan and China, it is based on the 11th book in Tatsuya Miyanishi's Tyrannosaurus series. It made its world premiere in the Open Cinema section at the 23rd Busan International Film Festival. The scoring of the film is by the prominent Japanese musician Ryuichi Sakamoto.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.