A Reploid Army declares war on the human race after being labeled as Mavericks, so X and Zero fight their way to stop this uprising and discover who is behind this.
A new dawn for the Reploid race has begun with the creation of the Repliforce, a military unit lead by the androids Colonel and General. But when their mission turns from protection to conquest, Maverick Hunters X and Zero are sent to confront the leaders of Repliforce. But who's pulling Repliforce's strings, and what problems will arise from Zero's own history?—Miriani