Blue Exorcist

This world consists of two dimensions joined as one, like a mirror. The first is the world in which the humans live, Assiah. The other is the world of demons, Gehenna. Ordinarily, travel between the two, and indeed any kind of contact between the two, is impossible. However the demons can pass over into this world by possessing anything that exist within it. Satan the god of demons, but there's one thing that he doesn't have, and that's a substance in the human world that is powerful enough to contain him!! For that purpose he created Rin, his son from a human woman, but will his son agree to his plans? Or will he become something else...? An exorcist?

Kekkaishi

Yoshimori Sumimura is a 14-year-old student at Karasumori School. Following in the tradition that's come down through the generations, he is the twenty-second Kekkaishi of the Sumimura clan. But he’s constantly fighting with his rival, Tokine Yukimura—his childhood friend and also a Kekkaishi—about who is the rightful heir to the magical barrier arts. Protecting people from danger while growing stronger himself, Yoshimori will battle the forces of evil again tonight!(Source: Crunchyroll)

Demon Slayer: Kimetsu no Yaiba

It is the Taisho Period in Japan. Tanjiro, a kindhearted boy who sells charcoal for a living, finds his family slaughtered by a demon. To make matters worse, his younger sister Nezuko, the sole survivor, has been transformed into a demon herself. Though devastated by this grim reality, Tanjiro resolves to become a “demon slayer” so that he can turn his sister back into a human, and kill the demon that massacred his family. (Source: Crunchyroll)

InuYasha

Kagome Higurashi, an average ninth grader, gets pulled into an ancient well by a demon, bringing her 500 years in the past to the feudal era. There, she meets Inuyasha, a half-demon who seeks the Shikon Jewel to make himself a full-fledged demon. With Inuyasha and new friends, Kagome's search for the Jewel of Four Souls begins... (Source: Viz Media)

D.Gray-man

Towards the end of the 19th century, Allen Walker officially joins the organization of Exorcists that destroy the beings known as Akuma; mechanic weapons made by the Millennium Earl with the suffering souls of the dead. Allen has both a cursed eye and an anti-Akuma weapon as an arm, bearing the power of "Innocence", a gift given to him as an apostle of God. Allen, along with his fellow Exorcists must put a stop to the Millennium Earl's ultimate plot that could lead to the destruction of the world and all who live on it.

Noragami

Minor god Yato is down on his luck. Fed up with his slacker lifestyle, his partner abruptly quits. He has no money, no worshippers, and no shrine to call home. But just when things are starting to seem hopeless, a bus accident forces him to cross paths with Hiyori Iki, a sweet and perky high school girl. After the accident, Hiyori's soul has a bad habit of slipping out of her body, and after enlisting Yato's help to get her back to normal, she begins to fall into the world of spirits and gods. But Hiyori's not the only one who's keeping tabs on Yato. A god from Yato's past is back, and he's not interested in a friendly reunion. (Source: Funimation)

D.Gray-man HALLOW

Despite the recent Akuma attack, the members of the Black Order are in high spirits as they set about moving to a new base. Immediately upon his arrival, however, Allen Walker is suddenly called by the Central Agency and has his arm forcefully sealed by the Order. He is then led to a surprising meeting with his master, General Cross Marian, who reveals staggering secrets surrounding the enigmatic 14th Noah. A phantom thief incident, the arrival of a mysterious group of Exorcists, the death of an important comrade, and an all-out battle against the Noah Family—just what does this mean for Allen, Yuu Kanda, and the rest of the Order? This is but the beginning of a series of strange, seemingly unconnected events that lead to something far greater. (Source: MAL Rewrite)

Bleach

Ichigo Kurosaki is a rather normal high school student apart from the fact he has the ability to see ghosts. This ability never impacted his life in a major way until the day he encounters the Shinigami Kuchiki Rukia, who saves him and his family's lives from a Hollow, a corrupt spirit that devours human souls. Wounded during the fight against the Hollow, Rukia chooses the only option available to defeat the monster and passes her Shinigami powers to Ichigo. Now forced to act as a substitute until Rukia recovers, Ichigo hunts down the Hollows that plague his town.

Mob Psycho 100

The story revolves around "Mob," a boy who will explode if his emotional capacity reaches 100%. This boy with psychic powers earned his nickname "Mob" because he does not stand out among other people. He keeps his psychic powers bottled up so he can live normally, but if his emotional level reaches 100, something will overwhelm his entire body. (Source: Anime News Network)

D.N.Angel

Niwa Daisuke is your average teenager, until his fourteenth birthday. He tries to declare his love to the girl of his dreams, but fails. Suddenly, whenever he thinks about this girl he turns into the legendary phantom thief known as Dark Mousy. Daisuke's mother, very much aware of this, makes him turn into Dark and steal valuable works of art for a purpose unknown to Daisuke. As the story unfolds, he learns why, and about his classmate who seems to have the same ability. (Source: Anime News Network)

The Elusive Samurai

In the year 1333, the Kamakura shogunate government comes crumbling down. A trusted vassal, Ashikaga Takauji, betrays the shogunate and organizes a rebellion. Houjou Tokiyuki, the rightful heir, escapes the massacre with a Shinto priest named Suwa Yorishige to Kamakura. On the run and fighting to stay alive, Tokiyuki sets in motion his plan to reclaim his birthright. (Source: Crunchyroll)

Shaman King

Shamans possess mysterious powers that allow them to commune with gods, spirits, and even the dead…and Manta Oyamada's about to learn all about them, because his class just welcomed a new transfer student: Yoh Asakura, a boy from way off in Izumo…and a shaman in training! (Source: Kodansha USA)

Yu☆Gi☆Oh!

Yuugi is a somewhat frail young boy who happens to be a big fan of gaming of any kind. But when he solves an ancient egyptian puzzle he is granted all the powers of darkness. Now when confronted with danger and injustice, he transforms into a much darker and dangerous form, and proceeds to dish out the justice and punishment for those who so richly deserve it. (Source: AnimeNfo)

Zakuro

Westernization, a time when humans and spirits coexist. The modernization of Japan has begun. The Ministry of Spirit Affairs is established to resolve mysterious incidents involving the nation’s spirits. This ministry consists of representatives from both the human and spirit worlds. Zakuro, Susukihotaru, Bonbori, and Hozuki are all half-spirits who have been partnered with the second lieutenants Kei, Riken, and Ganryu. These half-spirit girls and the male second lieutenants are all assigned to Spirit Affairs in an effort to join forces and carry out any tasks given to them! (Source: NIS America)

Graveyard Kitaro

Kitarou is a youkai boy born in a cemetery, and aside from his mostly-decayed father, the last living member of the Ghost tribe. He is missing his left eye, but his hair usually covers the empty socket. He fights for peace between humans and youkai, which generally involves protecting the former from the wiles of the latter. This version of the Kitarou story is based on the original Hakaba Kitarou manga, the manga which inspired the popular Gegege no Kitarou series in the late 60's. (Source: Wikipedia)

tactics

Ichinomiya Kantarou grew up with the ability to see demons, but was isolated and bullied by others who did not share the same gift. Instead, he became being friends with the demons, gaining a great attachment to their existence. One day, Kantarou was told about the strongest demon, the one known as the ogre-eating Tengu. Amazed by the news of his strength, Kantarou vowed to find this demon who was far stronger then any other, deciding to call him Haruka when he did so. Since this time, Kantarou searched far and wide for the ogre-eating Tengu with no luck, making his living by becoming a folklore writer and demon-buster. On a particularly job, Kantarou had finally found news of a nearby shrine supposedly the place where the ogre-eating Tengu was sealed.

Inu X Boku Secret Service

The Shirakiin house's daughter, Shirakiin Ririchiyo, who has a complex about being unable to live independently and unprotected, feels the need to move out and live on her own under the condition of residing in the mansion named "Ayakashi Kan." In this mansion, only those who have cleared a very strict examination could reside in it, and for each resident, they are accompanied with one agent of the Secret Service (S.S.). Although Riricho has rejected the company of the S.S., while residing in the mansion she finds out that the agent dedicated to protecting her is actually the Fox Spirit.

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)

Karas

The world of the humans and the world of the demons (yōkai) have overlapped one another, leaving humans to walk the streets of life as they normally would, while demons walk, hidden from the naked eye, down the very same streets. A seemingly young woman named Yurine and her servant, the Karas (from the Japanese word for "Crow"), have long maintained order and balance between the overlapped worlds, ultimately keeping the demons from interrupting the lives of humans. However, humans have come to forget and jest at the existence of demons, and no longer understand the privilege it is to live without fear. Disgusted by this arrogance, an old Karas turns his back on the laws he had once upheld, and in his human form, named Eko, he creates an army of Mikura, or mechanized demons, to ready an attack on the human race. A young man named Otoha inherits the powers of the Karas and takes his place at the side of Yurine, who claims that his soul called out for her while he lived the life of a human. They live in the world of the demons. It is now up to Otoha to prove himself as a Karas, and restore the balance that Eko threatens to upset. Meanwhile, a superstitious police officer named Sagisaka and his rational new recruit, Kure, follow the trail of the murders dealt by Eko's Mikura, as well as the trail of a rogue Mikura named Nue. The prophecy unfolds from here into a grave revelation for all in the city. (Source: Wikipedia)

Mokke

This is a story about two sisters: Shizuru, is a high school student who is able to see ghosts while her younger sister, Mizuki, is haunted by these apparitions. Frustrated by their abilities, their parents decided to entrust the sisters into the care of their grandparents who live in the countryside. As they adapt to life in the countryside, Shizuru and Mizuki begin to learn about the importance of coexisting nature with these apparitions. (Source: Anime News Network)