Shadow Diary: Rise In the future, a powerful new species known as ""shadow cyborgs"" emerges from the fusion of humans, technology, and black metal. The government forms the Shadow Security Force (S.E.F) in each sector, all controlled by the Headquarters in Century City. This seemingly perfect system collapses when the Headquarters is attacked by the Dark Clan. CORE, a senior cyborg soldier, discovers the plot too late. The Lord Commander of S.E.F is hacked, leading him to slay his own soldiers