Cluster Edge Episode 4 English Subbed Episode Title:Jet Black Chrome Group Appears!!.Episode Description:Hematite leaves the academy, troubled with thoughts about Chalce's rebellion against the military. When he returns home, he discovers that his father has gone to one of the old plants used to produce artificial soldiers despite the ban to meet Ludwig from the religious sect. Ludwig explains that many of the soldiers were killed when there was too much emotional stress from the artificial soldiers, and one boy who saw everything escaped from his pod...