Descendants of Darkness (2000)

The story centers on Keitarou Gentouga, who has the ability to be a spirit medium. In junior high school, he got someone else wrapped up in a spirit possession incident, and he has been a shut-in for more than two years. As he reintroduces himself to society as a private tutor, he meets a genius girl named Yayoi Houzuki. Yayoi is instantly able to tell that Keitarou has skill as a spirit medium, and she invites him to go with her to a haunted location. The two then start their journey capturing evil spirits.

Light Yagami is an ace student with great prospects—and he’s bored out of his mind. But all that changes when he finds the Death Note, a notebook dropped by a rogue Shinigami death god. Any human whose name is written in the notebook dies, and Light has vowed to use the power of the Death Note to rid the world of evil. But will Light succeed in his noble goal, or will the Death Note turn him into the very thing he fights against?

When a series of animal bodies that rot away after a single night begin appearing in a remote mountain village, Inugami, a detective from Tokyo who specializes in the occult, is called to investigate. While working the case, he befriends a strange boy who works in the field every day instead of going to school. Shunned by his peers and nicknamed “Dorotabo” after a yokai that lives in the mud, he helps Inugami uncover the truth behind the killings — but supernatural forces are at work, and while Dorotabo is just a nickname, it might not be the only thing about the boy that isn’t human.

Sotobamura is a small village with around 1300 residents; so small the village isn't even connected to a single highway. An isolated village in which old customs, such as the burial of the dead, are still practiced. One day, the bodies of three people are found dead. Although Ozaki Toshio, the village's lone doctor, feels uncertain, he treats the deaths as a normal occurrence. However, in the days following, the villagers start to die one after the other.

Ko's new companion, Nazuna, could offer him dark gifts and a vampire's immortality. But there are conditions that Ko must meet before he can sink his teeth into vampirism, and he'll discover just how far he's willing to go to satisfy his desires.

The "paranormal science" story follows nine idiosyncratic individuals, linked by the "Choujou Kagaku Kirikiri Basara" occult summary blog run by 17-year-old second-year high school student Yuuta Gamon. Little incongruities that occur around these nine eventually lead to a larger, unimaginable event that may alter what is considered common sense in this world.

New kid Keiichi Maebara is settling into his new home of peaceful Hinamizawa village. Making quick friends with the girls from his school, he's arrived in time for the big festival of the year. But something about this isolated town seems "off," and his feelings of dread continue to grow. With a gnawing fear that he's right, what dark secrets could this small community be hiding?

Sakurakouji Sakura is a girl who appears modest and graceful but in reality is skilled in martial arts. After witnessing a boy burning people with his blue flame, she is startled to see that the same boy is a transfer student, Oogami Rei. Oogami is a Code Breaker, one who does not exist. He is a seemingly cold-blooded killer who follows the principle of an eye for an eye, to use evil against evil. Convinced that killing is not right, Sakurakouji sets out to stop him and penetrate his icy heart.

Takumi Nishijou, a high school student at the Private Suimei Academy, one day hears about the 'New Gen' murders that have been occurring around the city. Although dismissing the subject because it doesn't involve him, Takumi begins to experience strange mishaps around him, from a horrific picture he received while on his PC, to a mysterious Pink-Haired girl standing at a murder scene. From there on Takumi struggles to cope with the events unfolding around him, and is soon unaware of what is real or a delusion. As his fate opens up before him, the perpetrator behind the 'New Gen' events attempts to find him, leading him into a world where nothing is as it seems.

Creatures known as Shokujinki have been secretly living alongside humans for hundreds of years. Though they may look like humans, Shokujinki are able to transform into uncontrollable beasts with gigantic claws and consume humans to survive. The equally secretive Kifuuken dojo specializes in killing Shokujinki by cutting off their arms, and is the only force preventing unchecked Shokujinki domination. Toshihiko Momota, the son of the leader of the Kifuuken, is instantly charmed by a mysterious woman named Yuka Kamitsuki. Their relationship is complicated, however, because unbeknownst to them both, Yuka is a Shokujinki and Toshihiko is sworn to kill her. Meanwhile, the Kifuuken is having a crisis of confidence as Toshihiko's brother Kazuma pushes against tradition and tries to modernize the Kifuuken. As emotions are strained and the secrets of both the past and present are revealed, who will live, and who will be eaten?