[DeepL Translation - needs review] Introduction to Volume 1: In 2010 A.D., Japan's first manned space exploration rocket "Lion" crashed into an urban area, causing a catastrophic accident that resulted in many casualties. A young girl "Asumi" who lost her mother in the accident meets the ghost of the pilot of the crashed plane, "Mr. Lion," and starts to aspire to become an astronaut.
(Translator: DeepL)
