Minghua Song is Kei's best and closest friend. They both grew up in China and were refugees together. Both have lost their parents at this time. She has a crush on Kei, but has not told him of her feelings. He considers her an older sister-like figure at this time. They are living in Kei's grandfather's house near the Komatsu Airbase.
Girly Air Force
Mysterious flying creatures known as Zai suddenly appear, and in order to fight the creatures, mankind creates fighter aircraft called "Daughters," as well as the automatic fighting mechanism "Anima," which are shaped like human girls. The story centers on a young man named Kei Narutani, who yearns to fly in the sky, and an Anima considered to be humanity's trump card, a girl name Gripen.
