AragoArago - London Shikei Tokushu Hanzai Sousakan, Arago ~London Shikei Tokushu Hanzai s?Sakan, ar?go

The story centers around two twins, Arago and Ewan, whose parents were slaughtered by monsters. Years later, the vengeful Arago crosses paths with Ewan, who has since become a police officer, just as blood begins to flow again in the streets of London.