Still of the film [Photo/Mtime]

Her cobbler father often gives her moon-patterned boots on her birthday, as a way to show his support for his daughter.

As Luna grows up, she tries to realize her dream, but continues to fail. She also has to cope with the death of her father.

She falls into a depression, before one day, entering her father's studio, she sees the boots he made her. This lifts her spirits, and she eventually becomes an astronaut.

"The animation draws inspiration from the lives of Chinese female astronauts Liu Yang and Wang Yaping," Zhang said.