Ten years have passed since the demise of the bubble economy, a time that polarized the world into two groups of people: the rich and the poor. In the present day, Saiga Tatsumi (a former war photographer) has been hired to investigate a secret club for the rich named the Roppongi Club, but he soon discovers secrets much darker than he’d ever imagined. With the help of a exploited goddess named Kagura, Saiga now possesses the power to kill by simply taking a photograph; but can he stay alive long enough to save her from her captors?
An organization known to the dark side of the world as Chronos claims to desire world peace, employing the top thirteen assassins in the world known as 'Erasers.' They each have a weapon customized to fit their style, all made out of orichalcum ore, the strongest material available on Earth. Number 13, Train Heartnet (codenamed Black Cat) is the most famous and revered of the thirteen Chronos numbers, but in the light of a tragic event he has come to question his path in life. Together with Sven Vollfied, a struggling bounty hunter and a living weapon named Eve, Train takes up a job as a bounty hunter - all the while running from the other Erasers and Creed Diskenth, a crazed man whom wants him to join the Apostles of the Stars, a group made to destroy Chronos.
Everyone wants something from this world. Many don't know exactly what, but still fight on and discover it eventually. If you like mysterious characters with a touch of supernatural phenomenon, go for Black Cat and Speed Grapher.
In the time of the Vietnam War, an American military base in Japan is plagued with a rash of killings whose assailant is unknown. Enter Saya, a mysterious young woman who happens to be the last of the vampire race, and has been charged by her government agency employer to investigate the sinister killings. With demons and creatures abounding, Saya must infiltrate a school to put a stop to the bloodshed -- unless the monsters get to her first...
In both series there is a similar noir feeling, combined with superpowers and evil creatures. Aside from that, the series both feel quite alike, though Blood The Last Vampire focuses more on swordplay, while Speed Grapher shows the utility of a variety of superpowers.
In the early 21st century, certain people are exhibiting signs of B-cell growth, a condition that is incurable. Yuji is one of these, who chooses to become a "Sleeper" -- a person who is put into stasis until a cure can be found. The tranquillity of Yuji's sleep is interrupted 15 years in the future, in a very different world. Giant bugs known as Blue have invaded the Earth, eating its resources, and.. human beings. Now all Yuji can do is escape through the city with the ones who saved him from his inevitable death, towards Second Earth... mankind's new home in space.
Strange things have been happening at a local high school... mysterious disappearances, strange powers and brutal murders all emerge amongst kids who, up till now, have been perfectly normal. Even the Shinigami (Angel of Death) herself has been sighted. What's happening? The answers lie in the mysterious creature known as Boogiepop...
In times of olde, humans live in constant fear of demons known as yoma. These vicious creatures can take the appearance and memories of humans they have devoured, thus blending into society as they freely feast on human flesh. The key to stopping the yoma lies with the tolerated yet feared Claymores - women who are half-demon, half-human, and fully fated to become the demons that they hunt. Meanwhile, in a village, the young Raki has been banished; his only crime was losing his family to the yoma. Raki is drawn to a Claymore named Clare, and together their journey begins. While Clare fights the yoma plaguing the land, can Raki help her in her struggle to retain her humanity?
You like gore? If so, here you go: Speed Grapher and Claymore are packed with it. They both revolve around a mutated human protagonist and have an awkward romance intertwined throughout the storyline. The drawing styles for both are relatively similar and both protagonists have a deep and detailed past that they try to forget. If you liked one of these shows, then you should definitely check out the other.