Monochrome FactorMonochrome Factor.

Monochrome Factor (Japanese: モノクローム·ファクター, Hepburn: Monokurōmu Fakutā) is a Japanese manga series written and illustrated by Kaili Sorano. It was first serialized in Mag Garden's bi-monthly manga magazine Comic Blade Masamune in May 2004. However, when the magazine ceased publication, the manga began serialization in the new and revamped magazine, Comic Blade Avarus, in September 2007.