If you're looking for manga similar to Blood+ (Light Novel), you might like these titles.
Clumsy, good-natured Saya lives a happy life surrounded by her classmates, her admirers, and the loving guidance of her father, the priest of a shrine. But mysterious, bloodthirsty monsters have begun to appear, and as the daughter of the shrine, Saya is tasked with keeping the village safe – even if it costs the girl her life. Now, between her schoolwork and friendships, Saya must pick up the sword and keep these brutal creatures at bay. Will Saya be able to return to the quiet life she once knew?
Saya is part human, part monster, and has one thing on her mind: REVENGE. Visions of twisted experiments and creatures slaughtering everyone she loved fuel her thirst for vengeance. With blade in hand and rage boiling in her veins, she tracks her tormentor to Tokyo—where flesh-hungry beasts have begun to feed. There, she joins a group of young hackers hunting for the same man. As Saya slices her way through lies, traps, flesh, and bone, how much blood will she shed to cut down the mastermind behind her madness?
At Yokota Base in Japan, American soldiers stand guard at the brink of the Vietnam War. Although they fear the enemy outside their base, an even more dangerous enemy waits within - bloodthirsty vampires walk among them. Appearing human, the beasts lurk in secret among the soldiers, waiting for the moment to attack. Saya, a fierce and beautiful vampire hunter, is sent to lead a team of undercover agents whose mission is to decide who is human and who is not, and wipe out the vampires before they can wipe out the base. But even though Saya is a powerful warrior whose skill with her Japanese sword is lethal, her ferocity may not be enough.
A half-human, half-vampire girl named Miyu is trapped in a body that will remain a teenager forever. As a vampire, it is her duty to hunt down demonic beings known as Shinma who have wandered into the human world and send them back to the Darkness. The new story begins with Miyu transferring to a certain middle school.
Since the eruption of Mount Fuji, the nights in Japan and this city have changed completely. Those covered in volcanic ash from Mount Fuji have become battle vampires, wielding tremendous power as they've started to kill each other and wash themselves in the blood of their fallen foes.