Silent Möbius

Mobius Klein is the prequel Manga to Kia Asamiya's Silent Mobius Manga. It tells the story of how Fuyuka and Gigelf met, and introduces many characters that later appear in Silent Mobius, including; Rally Cheyenne and Ganossa Maximillian, as well as the relatives of other characters like Yamigumo Razan.

Tokyo, the AMP team, the Attacked Mystification Police Department, is sent to Sector 23, where the neighborhood is being ravaged by “Lucifer Hawks,” evil entities straight out of hell. To combat these creatures, the government has created a brigade consisting of six young women with various psychic and physical powers and abilities. The attacks by these creatures are becoming more frequent and are now affecting those close to the government... (Source: Black Box Editions, translated)

Set seventeen years after the original manga series, a new generation of AMP serve on the front line between Lucifer Hawk and humanity.