For many generations, angels have watched over the keepers of Earth, monitoring their progress, achievements, and failures. Chihaya, a positive-checker cursed with black wings, must report the good deeds of these Earthians to Eden, while Kagetsuya, his partner and a negative-checker must pay attention to man’s ill actions. What starts as simple observatory assignment leads to the heavenly duo becoming involved in a sinister operation of biomechanical proportions, which may end up destroying the Earth and all its children for good!
Setsuno Muda is a high school boy with a cruel fate, trapped in a forbidden love for his blood sister and inhabited by the spirit of the Organic Angel Alexiel. As the final battle between Heaven and Hell approaches, and forces gather against him, he must soon make decisions that will inevitably alter his future for better or worse. But for poor young Setsuno, his anguish and torment might be more overwhelming than the blood on his hands, as conflicts are settled and lives are changed forever...
Earthian and Angel Sanctuary share the same general premise: angelic creatures set on earth engaged in a battle of cosmic proportions. More, both series have said supernatural entities acknowledging human emotions especially forbidden romantic relationships: in Earthian between two males and in Angel Sanctuary between siblings.
Hamura Shou is a young man who has been searching for his long lost younger brother named Kai since childhood. After transferring to an all-boys school, he manages to find him – but Kai denies it, and him in the process. Meanwhile, in the magical world of Winfield, the white-winged beings of the royal family have been killed and exiled, leaving the throne to its enemies. Through a series of events, the link between Earth and Winfield will be revealed – a link which will turn friends against each other, and cause tragedies to occur.
Earthian and Angel's Feather are remarkably similar in almost all points. Both follow the same general plot of two opposing factions of angels fighting for supremacy. More, these two OVAs involve shounen-ai overtones (perhaps more pronounced in Earthian but very clear in AF as well) that make for some of the more dramatic moments. Earthian has a more dated look while AF is visually much more modern; seen side by side these two anime provide an interesting comparison.
There is a legend of an angel who fell to Earth many years ago, and was forced to marry a man because he held the key to her only way home. Hundreds of years later, sixteen year old Mikage Aya is the reincarnation of Ceres, the vengeful angel, who must now fight for her life against her family and her own twin brother Aki, the reincarnation of her past evil husband...
During a much needed vacation in England, American cops Dee Laytner and Randy McClane find out that danger has found them yet again. Their hotel, it seems, is under investigation for a series of murders which cannot be solved, perplexing local authorities and visitors alike. Now, Dee's clever plans to take Randy's virginity must be stalled in lieu of the investigation, since hesitation might cost both of them their lives!
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.