Petshop of Horrors

Count D, a quite interesting pet shop owner from an area called Chinatown, sells rare and hard to come by pets to people longing for something special, but with each sale comes a contract. If the rules of the contract are followed, everything goes fine, but if someone should break the rules of the contract, the pet shop cannot be held responsible for anything unfortunate that might happen. Leon Orcot, a homicide detective, has linked many odd and unexplainable deaths together; they all were customers of Count D's pet shop, and he intends to find out why. (Source: Anime News Network)

Natsume's Book of Friends

Natsume has always been an outcast because he inherited his grandmother's ability to see yokai. After moving to his grandmother's hometown and accidentally releasing a yokai imprisoned in a Lucky Cat statue, he learns about his grandmother's "Book of Friends," which contains the names of the yokai she defeated, and allows its wielder to command the yokai named within. Since then, yokai now visit him on a daily basis, seeking to either get their names back or take possession of the Book of Friends. (Source: NIS America)

BEM

The Port Town, Libra City. Upper Town is the center of politics, economics, and culture and is where all of the wealth is concentrated. Outside is where crime and corruption runs wild where no one trusts anyone. Between those two areas is a massive canal that separates the two and is spanned by a single bridge. The way this town is constructed, is a realization of what human discrimination looks like. Sonia is a young, female detective who has just moved from Upper Town to Outside for work, chasing after a few cases. That is when she meets three hideous beings who fight to protect humanity. ‘Just what are they…?’ she wonders... These three monsters known as youkai ningen (demon humans) live, concealing who they really are, while each bearing their own feelings and thoughts. BEM wants to become human himself and fights against evil that would befall humans. Bela looks up to and desires to become human herself and attends school in order to understand humans better. Belo has dove headfirst into the world of gaming, taking a philosophical view of both humans and the world. With every incident, they come into contact with humans, get hurt, and worry. They fight for the sake of humanity, however, due to their horrible form, they are something that humans will never accept. There is another who is searching for these three beings. She has her thumb on the concealed assembly that controls Libra City from the shadows. But just what is her goal as she tries to get her hands on these three? (Source: AniDB)

Boogiepop and Others

There is an urban legend that children tell one another about a shinigami that can release people from the pain they may be suffering. This "Angel of Death" has a name—Boogiepop. And the legends are true. Boogiepop is real. (Source: Seven Seas Entertainment)

Vampire Hunter D

10,000 years in the future, the world has become a very different place; monsters roam the land freely, and people, although equiped with high tech weapons and cybernetic horses, live a humble life more suited to centuries past. The story focuses on a small hamlet plagued by monster attacks and living under the shadow of rule by Count Magnus Lee, a powerful vampire lord who has ruled the land for thousands of years. When a young girl is bitten by the Count and chosen as his current plaything, she seeks out help of a quiet wandering stranger, D. It so happens that D is one of the world`s best vampire hunters, and he takes it upon himself to cut through Magnus Lee`s many minions, and put an end to the Count`s rule. (Source: AniDB)

The Devil Lady

Fudo Jun is a beautiful supermodel who is idolized by many. She also has a dark secret that not even she knows about at first, for within her veins run the genes that hold the next step in the evolution of mankind. The same blood as the beastlike superhumans that terrorize the city. Unlike the rest of them, though, Jun has managed to hold a tenuous grip onto her humanity, and she is recruited by the mysterious Asuka Ran, member of a secret organization within the government, aimed at controlling, if not eliminating, these berserk destroyers of mankind. Jun, as Devilman Lady, must now exterminate her own kind, but how much longer can she keep her sanity in a situation she never chose in the first place? (Source: Anime News Network)

Mermaid Forest (TV)

According to an ancient legend, mermaid's flesh can grant immortality if eaten. 500 years ago, Yuta unknowingly ate a piece of mermaid's flesh. For centuries, he travels across Japan, hoping to find a mermaid, thinking she may be able to make him a normal human again. When he finally finds one, he discovers that she and her companions have been raising a girl to be their food so they can eat her and take on her youthful looks. That is how mermaids stay young. Yuta kills the mermaids and rescues her, but she has already eaten some of the mermaid's flesh. Although he had to kill the mermaids, Yuta isn't too disappointed. Yuta's once lonely existence is now over, as he has found a companion in Mana. And Mana, who had been trapped in a small hut her whole life, finds delight in even the simplest of things. Together, Yuta and Mana attempt to seek out more mermaids, trying to become normal humans again. (Source: Anime News Network)

xxxHOLiC

Watanuki Kimihiro can see spirits and other assorted supernatural creatures, which is quite a bothersome ability he strongly dislikes. On the way home one day, while plagued by some spirits, he is inexplicably compelled to enter a strange house. There, he encounters Yuuko, a mysterious woman who claims to be able to rid him of the ability to see and attract the troublesome creatures – for a price. She demands for him to work at her "store" that grants wishes to people, and thus begins Watanuki's adventures through weird and wonderful events.

Boogiepop Phantom

Five years ago, a string of grisly murders shook the city to its core and now the rumors have begun once more. Boogiepop... Everyone knows about Boogiepop: meet her one dark night and you are taken. People tell each other the stories and laugh: no one believes that she can possibly exist in this day and age. Still, strange things appear to be going on and the darkness is taking on many forms. Something is out there. Are you safe? (Source: RightStuf)