Sypnosis : In the world of the mafia there is an organization called Inferno. is a small but is feared by all most mafia, on one of its jobs  a boy saw how a reporter was killed . then inferno decided to dispose of the boy while he escape he does everything to survive and that woke interests in Inferno so he was kidnapped. Inferno make him choice between Get Killed or Become one of their Assasins. while on their descisions he meets the assasin that was chasing him A girl called Ein ( number one in german ) The Current Phantom . she tell him all he need to do about becoming assasin or die and he was brainwashed so he has no memories . He decides to Train for it and he was now called Zwei ( 2 in german ) and so he train for be a top class assasin just for live but many contradictory that will come specially with other members of mafia that want him for themselves.