If you're looking for manga similar to Illegal Rare, you might like these titles.
All sorts of odd things begin to happen when Mahito, a young high school girl, survives being rundown by a car traveling at high-speed. What lurks behind the world of the living? What is it that hides just out of sight of human perception? There is more to our world than our eyes reveal, as Mahito is about to find out. Modern-day vampires, the occult and hunters of the undead... 'nuff said!
I don't quite get that they call me by tactless name, "vampir." She is all that I desire. Louis, a vampir boy lived with the Kamuro family as a "brother-in-law" in a home of human being. He had hoped it would last forever, however, peaceful and pleasant days with his beloved sister, Harumu, suddenly collapse with an appearance of another vampir, Noah.
In a world where monsters who can devour humans lurk hidden in modern society. The only ones with the power to eliminate them are called "Dragon Knights." The story focuses on Haira, the youngest Dragon Knight, and the unit that he commands as he goes on missions to eliminate these monsters.
Tanaka, a father of three and a gymnastics school instructor, suddenly finds himself on the brink of unemployment. Amidst this turmoil, a familiar figure appears before him to save the day…and it’s the popular children’s show host, “Gymnastics Buddy,” Asato?! What’s more, he can exterminate the mysterious “bugs” that only Tanaka has been able to see since childhood?! Hold your breath as Tanaka takes a daring vault into an unforeseen twist of fate!
Blood Night town is a place where vampires seeking blood and humans looking for blood buyers gather. Sotetsu, a human who is branded as "wasted blood," or a blood that no one wants, works for an organization that cracks down on vampires' illegal activities, called the Blood Control Bureau. One day, Sotetsu meets a mysterious vampire who claims to be a food (or blood) connoisseur. A suspenseful battle of courtship and salvation begins.
Darren Shan was an average kid until destiny brought him to the Cirque du Freak. Now Darren's been immersed into a shadowy world inhabited by vampires, werewolves, and strange creatures the likes of which he's never imagined, and his life will be changed forever!
On the corner of Chinatown, the two of them crossed. The boy name is Inumi Haserou, high-school bodyguard who takes 1000 yen for each trouble; the girl name is Nata, self-styled Sage who mysteriously collapsed in the back alley. Deciding to protect Nata, Haserou would have to face the sudden change in his daily peaceful lives, as a group of Vampiric being who consumed people Ki, called [Demonic Sage] starts to attack them. Their purpose: to hunt Nata, who holds the key as the powerful weapons capable of turning them powerless!
It's been years since the vampires were wiped out, but it looks like another kind of monster is troubling the city. In the latest serial murder case, corpses are found with blood and meat, but all the bones missing. To investigate the monstrous murders, the police send for the famous retired vampire hunter, 70-year-old Hans Vapitto. He feels a strong connection to the city, and agrees to return to the field to protect it once again. This time he's teamed up with the youngest employee of the police department, and he also has a young half-vampire woman on his side. Will Hans be able to protect his city from this new threat?