It has been a year since Rock joined the crew of the Black Lagoon, and while becoming accustomed to life in Roanapur, he also gets involved in many dangerous circles. With the level of violence increasing by the day, Hotel Moscow takes advantage of Rock's talents, and he soon finds himself intimately involved in their struggle for power. A series of events eventually lead Rock back to Japan as a translator for Balalaika, where he soon finds himself confronted with the choice of returning to his old life or continuing with the new. While questioning where his morals lie, Rock must decide, once and for all, whether or not to call the Black Lagoon home.
Not only are both continuations of the original series, but they also have very similar chatacteristics. They feature a rather 'linear' plot that is episodic, and involves even more characters than the first. Both probe the depths of the characters mindsets and why they fight, as well.
If you've seen one, then the other is right for you!
A young man awakens in an abandoned warehouse with no memory of his past. As he leaves the room and ventures further into the warehouse he is attacked by a girl in a mask; she tells him that in order to live he must come at her with all his might. After a fight for his life, he manages to overpower the girl, learning that he is to be trained as a Phantom - an assassin for the Inferno organization. He is also given a new name: Zwei. For three months, Zwei is trained by the girl in the arts of assassination until he has just one final test: to kill a living human being.
Both Animes play smart game ( when it comes to killing). Johan looks just like a characters out of Phantom in both appearance and personality.Very similar animation and very similar color scale (grey).I recommend this one.