China's 2d cartoons. What kind of cartoon is a boy who can turn a crystal into a fox?

A 2d cartoon of China shows a boy who can turn into a fox with a crystal. He is a knight of the universe.

Cosmos Knight is a Japanese sci-fi animation, which was broadcast on TV Tokyo on February 1992.

This drama mainly tells the story of the invasion of the earth by the alien creature Ladame in the future and the resistance of the members of the Knights of the Universe. The scenes depicted in it interpret many emotions such as affection, friendship and love, and are excellent sci-fi animation works in the 1990s.