Sunraku has plunged into a rematch against Lycaon the Nightslayer, one of the Seven Colossi! In order to defeat this wolf that melts into the night itself, he must turn the "Attack Master" Psyger-0 and his most powerful of weapons. In a pitch-black battlefield where a moment's indecision spells doom, ancient ruins pierce into the sky-as a silent shadow stalks the earth. The all-powerful lupine overlord of the night must be defeated!