If you're looking for manga similar to Shiki Specials, you might like these titles.
Osamu Hirota is a high school student enjoying his aimless, ordinary life, until Soichi, a student from the next town over, takes him into a mysterious mansion. Inside was a naked woman who called herself Miwako... Now, he can never goback to his boring life. The curtain opens on this dark suspense story...!!
After the mysterious disappearance of a countryside cop, the role is reassigned to Officer Daigo Agawa. He finds the remote village quaint, and he looks forward to an easygoing post among the warm and welcoming citizenry. Then… He gets a call. The body of a local grandmother has been found. The scene immediately sows doubt for the young policeman. A human bite mark has been left on the corpse, and any voiced suspicion of Agawa's is met with a strange, sudden, and intense hostility. Something dark is lurking under the idyllic façade of the charming mountain village. But can Officer Agawa spare himself and his family from it?
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...
Attempting to shake off a nightmare from her childhood, Itoko was supposed to be married in the village of Mizukago. There, she saw a doll that looked just like herself. Itoko wonders why this doll was made and what is the "mother of blue" the villagers speak of. Itoko feels herself being dragged into an abominable village tradition and another nightmare.
While a young boy, just resurrected as a vampire, commits acts of awful ferocity, the city around him shows all its perversion. The adults abuse their power, the boys degenerate and use all the available means to achieve their goal to give vent to their low instincts. Whoever can't understand and make opposition is doomed to change or becoming crazy. So which is the real horror? The vampire who kills in order to feed himself or the crawling disease hidden in society, which slowy corrupts without being noticed?
After 12 long years, a white-haired boy by the name of Iori comes back to Mashira village, the place where his childhood trauma began, only to find yet another horror awaiting him.
The King's orders are absolute. Fail to obey, and you will be punished." 30 years ago in the remote Yonaki Village, a black envelope is delivered to a single villager. The command inside threatens to draw the entire population into a terrible tragedy!
Striking the infected with incessant pain that runs throughout the body, a strange, debilitating, and deadly illness. The life of the boy who had suffered several years with this affliction had come to end with little time for him to despair as he died without an attendant by his side. When he awoke again, he had been made into the lowest ranked undead by an evil necromancer. Though the boy rejoiced at having obtained a body that could not feel pain, he immediately realized that he was still at the mercy of others. There was no large difference between his present situation and being confined in bed. However, because the boy wished for peace, he couldn't leave the world as it was. With freedom as his goal, what he needed was prudence and power. Occasionally running, fighting, fearful, and hesitant, this is the story of the cowardly King of Undead as he seeks to be free.
Akira is in the midst of the final battle between the human race and vampires. He only has 47 days until Japan is turned into an island of vampires.