Ikurou is a young man with problems: after a terrible car accident, he was captured by a seedy organization and implanted with a parasite known as Baoh -- a creature which bestows superhuman powers on its host, especially when mortally wounded. While being transported by train, he is accidentally set free by Sumire, young a psychic girl, and the two make their escape. With more of his humanity slipping away by the minute, and the organization hot on their tracks, will the two escape with their lives, or simply cause a bloodbath along the way?
Murao Mima has created a robot daughter named Key, but after raising her for a very short time, Mima dies, leaving behind cryptic messages telling Key how she can become human. Key must struggle alone to learn the harsh lessons of life and search for the 'key' to her own dream: the power of 30,000 friends to make her a real human girl.
Koshigaya and Komada are professors by day, but at night, they are Bio Hunters. Their mission? Hunt down people infected with the ellusive Demon Virus, and destroy it. Things become complicated when the two become entangled with the fate of Sayaka, a woman whose grandfather is a famous psychic. With powerful enemies on their trail, they must find Sayaka's lost relative to hear his prophecy, or die trying!
In the year 2808, criminals are no longer just wasting space in prison cells. The Cyber Police have turned to using these “patrons” by giving them a choice. Their sentence, or to work with them to catch other criminals and knock some years off their sentence. But getting off easy isn't, as each criminal is fitted with booby trapped collar that operates on a 24 hour cycle, stopped ONLY if they capture their intended targets. As time runs out on each case, someone's head must roll... the target's, or their own!
For Kouta and Yuka, finding the bloody naked young girl on the beach would change their lives forever, for better or for worse. Unable to speak or function as a normal human being, she is named Nyuu by the duo, and taken into their home in an effort to save her. But what neither teenager knows is that this innocent young girl is actually a killing machine -- an experiment gone terribly wrong -- and it is only a matter of time before the murderer in her awakens again...
Elfen Lied is a bit more realistically gory, and the plots are different, but both anime start with the escape of a dangerous test subject in a bloodbath. During the rest of the anime, the people from the firm try to catch their experiment, and try to prevent it from causing trouble.
Ukyo Retsu is a skilled doctor who wants nothing more than to be happy with his girlfriend and save lives. Yet after saving an elderly patient, Ukyo finds himself in a delicate situation -- he's been given psychic supernatural powers for use in destroying the King of Darkness and an evil demon army itself! Now, after being thrown 5,000 years in the past during the time when the legendary demon army once prospered, Ukyo must use his newfound abilities to stop the invaders from annihilating mankind's ancestors before the evil consumes not only the ancient tribes, but himself as well!