Mafia is rife in America where assassinations are a regular occurrence on the streets. Inferno, a mysterious company, is behind most of these dealings through the use of their near-invincible human weapon, "Phantom."
One day, a Japanese tourist accidentally witnesses Phantom's latest murder. Desperate to escape, the tourist hides in a secluded building. However, Phantom, revealed to be a young woman named Ein, and the leader of Inferno "Scythe Master" captures the tourist and brainwashes him.
Given the name "Zwei," this once peaceful tourist is now a puppet of Inferno with no memories. Drawn into a world of lies, deceit, and violence, Zwei must fight to survive, hopefully to one day regain his memories and escape from this world where he is constantly on the brink of death.
[Written by MAL Rewrite]+ More
Characters & Voice Actors

Ein
Main
Zwei
Main
Claude, Anton
Supporting
Fujieda, Mio
Supporting
Gant, Simon
Supporting
Garland, Lizzie
Supporting
Godo, Daisuke
Supporting
Godo, Kaiten
Supporting
Harrington, Richard
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