When Kamogawa Asumi was just a baby, her mother was grievously injured when a rocket crashed to the ground. Five years later, having been in a coma all the time, Asumis mother finally dies, and the little girl struggles to come to terms with the death of a mother she barely remembers. In the midst of her turmoil, she meets Lion-san, a strange figure wearing a lion mask and claiming to be a ghost. Lion-san helps Asumi to bury her mothers ashes, and finally, Asumi reaches her own decision: When I grow up, Im going to be a rocket pilot.

(Source: ANN)